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This value is admissible, but you may wish to double check it.

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Required format:

/^\d{10}$/

/^\d{3}-\d\d$/

/^\d{6}$/

/^\d{7}$/

/^\d{8}$/

/^\d{9}$/

/^((0?[1-9])|([1-8][0-9])|(9[0-8]))[0-9]{3}$/

/^((29([-\/])02\3(\d{2}([13579][26]|[2468][048]|04|08)|(1600|2[048]00)))|((((0[1-9]|1\d|2[0-8])([-\/])(0[1-9]|1[012]))|((29|30)([-\/])(0[13-9]|1[012]))|(31([-\/])(0[13578]|1[02])))(\11|\15|\18)\d{4}))$/

/^((02([-\/])29\3(\d{2}([13579][26]|[2468][048]|04|08)|(1600|2[048]00)))|((((0[1-9]|1[012])([-\/])(0[1-9]|1\d|2[0-8]))|((0[13-9]|1[012])([-\/])(29|30))|((0[13578]|1[02])([-\/])31))(\11|\15|\19)\d{4}))$/

/^(((\d{2}([13579][26]|[2468][048]|04|08)|(1600|2[048]00))([-\/])02(\6)29)|(\d{4}([-\/])((0[1-9]|1[012])(\9)(0[1-9]|1\d|2[0-8])|((0[13-9]|1[012])(\9)(29|30))|((0[13578]|1[02])(\9)31))))$/

/^((29([-\/])02\3(\d{2}([13579][26]|[2468][048]|04|08)|(1600|2[048]00)))|((((0[1-9]|1\d|2[0-8])([-\/])(0[1-9]|1[012]))|((29|30)([-\/])(0[13-9]|1[012]))|(31([-\/])(0[13578]|1[02])))(\11|\15|\18)\d{4})) (\d|[0-1]\d|[2][0-3]):[0-5]\d$/

/^((02([-\/])29\3(\d{2}([13579][26]|[2468][048]|04|08)|(1600|2[048]00)))|((((0[1-9]|1[012])([-\/])(0[1-9]|1\d|2[0-8]))|((0[13-9]|1[012])([-\/])(29|30))|((0[13578]|1[02])([-\/])31))(\11|\15|\19)\d{4})) (\d|[0-1]\d|[2][0-3]):[0-5]\d$/

/^(((\d{2}([13579][26]|[2468][048]|04|08)|(1600|2[048]00))([-\/])02(\6)29)|(\d{4}([-\/])((0[1-9]|1[012])(\9)(0[1-9]|1\d|2[0-8])|((0[13-9]|1[012])(\9)(29|30))|((0[13578]|1[02])(\9)31)))) (\d|[0-1]\d|[2][0-3]):[0-5]\d$/

/^((29([-\/])02\3(\d{2}([13579][26]|[2468][048]|04|08)|(1600|2[048]00)))|((((0[1-9]|1\d|2[0-8])([-\/])(0[1-9]|1[012]))|((29|30)([-\/])(0[13-9]|1[012]))|(31([-\/])(0[13578]|1[02])))(\11|\15|\18)\d{4})) (\d|[0-1]\d|[2][0-3])(:[0-5]\d){2}$/

/^((02([-\/])29\3(\d{2}([13579][26]|[2468][048]|04|08)|(1600|2[048]00)))|((((0[1-9]|1[012])([-\/])(0[1-9]|1\d|2[0-8]))|((0[13-9]|1[012])([-\/])(29|30))|((0[13578]|1[02])([-\/])31))(\11|\15|\19)\d{4})) (\d|[0-1]\d|[2][0-3])(:[0-5]\d){2}$/

/^(((\d{2}([13579][26]|[2468][048]|04|08)|(1600|2[048]00))([-\/])02(\6)29)|(\d{4}([-\/])((0[1-9]|1[012])(\9)(0[1-9]|1\d|2[0-8])|((0[13-9]|1[012])(\9)(29|30))|((0[13578]|1[02])(\9)31)))) (\d|[0-1]\d|[2][0-3])(:[0-5]\d){2}$/

/^(?!\.)((?!.*\.{2})[a-zA-Z0-9\u0080-\u02AF\u0300-\u07FF\u0900-\u18AF\u1900-\u1A1F\u1B00-\u1B7F\u1D00-\u1FFF\u20D0-\u214F\u2C00-\u2DDF\u2F00-\u2FDF\u2FF0-\u2FFF\u3040-\u319F\u31C0-\uA4CF\uA700-\uA71F\uA800-\uA82F\uA840-\uA87F\uAC00-\uD7AF\uF900-\uFAFF!#$%&'*+\-/=?^_`{|}~\d]+)(\.[a-zA-Z0-9\u0080-\u02AF\u0300-\u07FF\u0900-\u18AF\u1900-\u1A1F\u1B00-\u1B7F\u1D00-\u1FFF\u20D0-\u214F\u2C00-\u2DDF\u2F00-\u2FDF\u2FF0-\u2FFF\u3040-\u319F\u31C0-\uA4CF\uA700-\uA71F\uA800-\uA82F\uA840-\uA87F\uAC00-\uD7AF\uF900-\uFAFF!#$%&'*+\-/=?^_`{|}~\d]+)*@(?!\.)([a-zA-Z0-9\u0080-\u02AF\u0300-\u07FF\u0900-\u18AF\u1900-\u1A1F\u1B00-\u1B7F\u1D00-\u1FFF\u20D0-\u214F\u2C00-\u2DDF\u2F00-\u2FDF\u2FF0-\u2FFF\u3040-\u319F\u31C0-\uA4CF\uA700-\uA71F\uA800-\uA82F\uA840-\uA87F\uAC00-\uD7AF\uF900-\uFAFF\-\.\d]+)((\.([a-zA-Z\u0080-\u02AF\u0300-\u07FF\u0900-\u18AF\u1900-\u1A1F\u1B00-\u1B7F\u1D00-\u1FFF\u20D0-\u214F\u2C00-\u2DDF\u2F00-\u2FDF\u2FF0-\u2FFF\u3040-\u319F\u31C0-\uA4CF\uA700-\uA71F\uA800-\uA82F\uA840-\uA87F\uAC00-\uD7AF\uF900-\uFAFF]){2,63})+)$/i

/^\d{4}-\d{4}$/

/^[-+]?\b\d+\b$/

/^[a-z]+$/i

/^[a-z0-9-_]+$/i

/^[-+]?[0-9]*\.?[0-9]+([eE][-+]?[0-9]+)?$/

/^-?\d+,\d$/

/^-?\d+\.\d$/

/^-?\d+,\d{2}$/

/^-?\d+\.\d{2}$/

/^-?\d+,\d{3}$/

/^-?\d+\.\d{3}$/

/^-?\d+,\d{4}$/

/^-?\d+\.\d{4}$/

/^[-+]?[0-9]*,?[0-9]+([eE][-+]?[0-9]+)?$/

/^(\(0[2-8]\)|0[2-8])\s*\d{4}\s*\d{4}$/

/^(?:\(?([2-9]0[1-9]|[2-9]1[02-9]|[2-9][2-9][0-9]|800|811)\)?)\s*(?:[.-]\s*)?([2-9]1[02-9]|[2-9][02-9]1|[2-9][02-9]{2})\s*(?:[.-]\s*)?([0-9]{4})(?:\s*(?:#|x\.?|ext\.?|extension)\s*(\d+))?$/

/^\d{4}$/

/^[ABCEGHJKLMNPRSTVXY]{1}\d{1}[A-Z]{1}\s*\d{1}[A-Z]{1}\d{1}$/i

/^(0[1-9]|[1-9]\d)\d{3}$/

/^\d{3}-\d\d-\d{4}$/

/^((0\d)|(1[0-2])):[0-5]\d$/

/^([0-9]|[0-1][0-9]|[2][0-3]):([0-5][0-9])$/

/^[0-5]\d:[0-5]\d$/

/^[0-9]{4,9}$/

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Screening Questionnaire

Welcome to the Screening Questionnaire for the Vitamin D for COVID-19 Trial. The following questions will help us decide whether or not you are eligible to participate in this research study. Some questions are required. If you do not add a response to a required question, you will not be able to proceed to other questions. Please answer all questions with the response that best describes you and your current health.

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The option "" can only be selected by itself. Selecting this option will clear your previous selections for this checkbox field. Are you sure?

The option "" can only be selected by itself. Selecting this option will clear your previous selections for this checkbox field. Are you sure?

The option "" can only be selected by itself. Selecting this option will clear your previous selections for this checkbox field. Are you sure?

The option "" can only be selected by itself. Selecting this option will clear your previous selections for this checkbox field. Are you sure?

Today's date:

* must provide value

M-D-Y

Please confirm that you have entered today's date correctly above.

Your email address:

* must provide value

How did you hear about the VIVID study?

Quest Diagnostics

Social media

Family and friends

Labcorp/Covance

Other

Specify how you heard about the VIVID study:

What country do you currently reside in?

* must provide value

United States of America

Other

ELIGIBILITY: Inclusion, lives in USA

View equation

What is your age in years?

* must provide value

ELIGIBILITY: Inclusion, current age is >= 18

Update 2021-02-16: Decreased minimum age from 30 to 18

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Have you been tested for the coronavirus (COVID-19, SARS-CoV-2)?

* must provide value

Yes

No

Not sure

ELIGIBILITY: Exclusion, never been COVID tested

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Have you had at least one COVID-19 test with a POSITIVE result?

* must provide value

Yes

No

Not sure

ELIGIBILITY: Inclusion, ever tested positive for coronavirus

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Please answer the following questions about the most recent POSITIVE test result you received:

On what date did you take the test?

* must provide value

M-D-Y

ELIGIBILITY: Inclusion, positive COVID test within past 7 days

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What type of test did you take?

Nasal or throat swab

Saliva test

Blood test

Not sure

ELIGIBILITY: Inclusion, test type is throat/nasal swab or saliva test

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On what date did you receive the positive result?

M-D-Y

Please check dates listed above for the date of your most recent positive test and the date you received the result.

Where was the test performed? Mark all that apply.

Hospital - Emergency Department

Hospital - Inpatient

Outpatient Clinic

Urgent Care

Quest

Drive-Through

Other

The next questions ask about your symptoms in the last 14 days:

Did you experience NEW onset of the following symptoms in the last 14 days? (Excluding chronic or recurrent conditions. Check all that apply)

* must provide value

Fever or chills

Cough

Shortness of breath or difficulty breathing

Unusual chest pain or tightness in your chest

Muscle or body aches

New loss of smell or taste

Sore throat

Congestion or runny nose

Nausea or vomiting

Diarrhea

Unusual fatigue

Headache

NONE OF THE ABOVE

Fever and chills:

Fever or chills: On what date did this symptom start?

* must provide value

M-D-Y

ELIGIBILITY: Number of days since fever or chills STARTED

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Fever or chills: Is this symptom ongoing?

* must provide value

Yes

No

Fever or chills: What date did this symptom stop?

* must provide value

M-D-Y

ELIGIBILITY: Number of days since fever or chills STOPPED

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Fever or chills: What is/was the severity of this symptom?

Mild or Moderate

Severe

Cough:

Cough: On what date did this symptom start?

* must provide value

M-D-Y

ELIGIBILITY: Number of days since cough STARTED

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Cough: Is this symptom ongoing?

* must provide value

Yes

No

Cough: What date did this symptom stop?

* must provide value

M-D-Y

ELIGIBILITY: Number of days since cough STOPPED

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Cough: What is/was the severity of this symptom?

Mild or Moderate

Severe

Shortness of breath or difficulty breathing:

Shortness of breath or difficulty breathing: On what date did this symptom start?

* must provide value

M-D-Y

ELIGIBILITY: Number of days since shortness of breath or difficulty breathing STARTED

View equation

Shortness of breath or difficulty breathing : Is this symptom ongoing?

* must provide value

Yes

No

Shortness of breath or difficulty breathing: What date did this symptom stop?

* must provide value

M-D-Y

ELIGIBILITY: Number of days since shortness of breath or difficulty breathing STOPPED

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Shortness of breath or difficulty breathing: What is/was the severity of this symptom?

Mild or Moderate

Severe

Unusual chest pain or tightness in your chest:

Unusual chest pain or tightness in your chest: On what date did this symptom start?

* must provide value

M-D-Y

ELIGIBILITY: Number of days since unusual chest pain or tightness in your chest STARTED

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Unusual chest pain or tightness in your chest: Is this symptom ongoing?

* must provide value

Yes

No

Unusual chest pain or tightness in chest: What date did this symptom stop?

* must provide value

M-D-Y

ELIGIBILITY: Number of days since unusual chest pain or tightness in your chest STOPPED

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Unusual chest pain or tightness in chest: What is/was the severity of this symptom?

Mild or Moderate

Severe

Muscle or body aches:

Muscle or body aches: On what date did this symptom start?

* must provide value

M-D-Y

ELIGIBILITY: Number of days since the muscle or body aches STARTED

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Muscle or body aches: Is this symptom ongoing?

* must provide value

Yes

No

Muscle or body aches: What date did this symptom stop?

* must provide value

M-D-Y

ELIGIBILITY: Number of days since the muscle or body aches STOPPED

View equation

Muscle or body aches: What is/was the severity of this symptom?

Mild or Moderate

Severe

New loss of smell or taste:

New loss of smell or taste: On what date did this symptom start?

* must provide value

M-D-Y

ELIGIBILITY: Number of days since the new loss of smell or taste STARTED

View equation

New loss of smell or taste: Is this symptom ongoing?

* must provide value

Yes

No

New loss of smell of taste: What date did this symptom stop?

* must provide value

M-D-Y

ELIGIBILITY: Number of days since the new loss of smell or taste STOPPED

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New loss of smell or taste: What is/was the severity of this symptom?

Mild or Moderate

Severe

Sore throat:

Sore throat: On what date did this symptom start?

* must provide value

M-D-Y

ELIGIBILITY: Number of days since sore throat STARTED

View equation

Sore throat: Is this symptom ongoing?

* must provide value

Yes

No

Sore throat: What date did this symptom stop?

* must provide value

M-D-Y

ELIGIBILITY: Number of days since sore throat STOPPED

View equation

Sore throat: What is/was the severity of this symptom?

Mild or Moderate

Severe

Congestion or runny nose:

Congestion or runny nose: On what date did this symptom start?

* must provide value

M-D-Y

ELIGIBILITY: Number of days since congestion or runny nose STARTED

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Congestion or runny nose: Is this symptom ongoing?

* must provide value

Yes

No

Congestion or runny nose: What date did this symptom stop?

* must provide value

M-D-Y

ELIGIBILITY: Number of days since congestion or runny nose STOPPED

View equation

Congestion or runny nose: What is/was the severity of this symptom?

Mild or Moderate

Severe

Nausea or vomiting:

Nausea or vomiting: On what date did this symptom start?

* must provide value

M-D-Y

ELIGIBILITY: Number of days since nausea or vomiting STARTED

View equation

Nausea or vomiting: Is this symptom ongoing?

* must provide value

Yes

No

Nausea or vomiting: What date did this symptom stop?

* must provide value

M-D-Y

ELIGIBILITY: Number of days since nausea or vomiting STOPPED

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Nausea or vomiting: What is/was the severity of this symptom?

Mild or Moderate

Severe

Diarrhea:

Diarrhea: On what date did this symptom start?

* must provide value

M-D-Y

ELIGIBILITY: Number of days since diarrhea STARTED

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Diarrhea: Is this symptom ongoing?

* must provide value

Yes

No

Diarrhea: What date did this symptom stop?

* must provide value

M-D-Y

ELIGIBILITY: Number of days since diarrhea STOPPED

View equation

Diarrhea: What is/was the severity of this symptom?

Mild or Moderate

Severe

Unusual fatigue:

Unusual fatigue: On what date did this symptom start?

* must provide value

M-D-Y

ELIGIBILITY: Number of days since unusual fatigue STARTED

View equation

Unusual fatigue: Is this symptom ongoing?

* must provide value

Yes

No

Unusual fatigue: What date did this symptom stop?

* must provide value

M-D-Y

ELIGIBILITY: Number of days since unusual fatigue STOPPED

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Unusual fatigue: What is/was the severity of this symptom?

Mild or Moderate

Severe

Headache:

Headache: On what date did this symptom start?

* must provide value

M-D-Y

ELIGIBILITY: Number of days since headache STARTED

View equation

Headache: Is this symptom ongoing?

* must provide value

Yes

No

Headache: What date did this symptom stop?

* must provide value

M-D-Y

ELIGIBILITY: Number of days since headache STOPPED

View equation

Headache: What is/was the severity of this symptom?

Mild or Moderate

Severe

Did you participate in a COVID-19 vaccine trial?

Yes

No

ELIGIBILITY: Exclusion, participated in a vaccine trial

(Exclusion removed 8/9/2021)

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Are you participating in another COVID-19 trial where you are receiving any treatment?

Yes

No

ELIGIBILITY: Exclusion, participating in ongoing COVID-19 trial

(Exclusion removed 8/9/2021)

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Please complete the following information about you:

Sex

Male

Female

Other

Weight

* must provide value

Height (feet)

* must provide value

Height (inches)

* must provide value

CALCULATED - BMI

View equation

Race (select all that apply)

American Indian or Alaska Native

Asian

Black or African American

Native Hawaiian/Other Pacific Islander

White

Race (Asian) specify:

* must provide value

South Asian Indian

Other

Ethnicity

Hispanic or Latino

Not Hispanic or Latino

Unknown

Please answer the following questions about yourself:

Do you have any of the following? (Mark all that apply)

* must provide value

Receipt of a coronavirus (COVID) vaccination

Diabetes

Hypertension

Chronic obstructive pulmonary disease (COPD) or emphysema

History of heart attack

History of heart failure

History of coronary bypass surgery or coronary angioplasty or stent

History of stroke

Diagnosis of sleep apnea

History of kidney stone

Kidney failure or dialysis

Severe liver disease or cirrhosis

Diagnosis of hypercalcemia (high blood calcium level)

Parathyroid disease

Sarcoid or sarcoidosis

Active tuberculosis

Advanced cancer

Hospitalization due to COVID-19 infection

NONE OF THE ABOVE

ELIGIBILITY: Exclusion, has a serious medical condition (1+ of last 8 checkboxes)

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Are you currently receiving treatment for diabetes?

* must provide value

Yes

No

Are you currently receiving treatment for hypertension?

* must provide value

Yes

No

Are you using a CPAP device?

* must provide value

Yes

No

Have you smoked at least 100 cigarettes in your lifetime?

* must provide value

Yes, I have smoked 100 or more cigarettes in my lifetime

No, I have never smoked or smoked less than 100 cigarettes in my lifetime.

If Yes to above, what is your current smoking status?

* must provide value

Current smoker, every day

Current smoker, some days

Past smoker (having smoked at least 100 cigarettes in my lifetime but no longer smoking now)

Are you pregnant?

* must provide value

Yes

No

ELIGIBILITY: Exclusion, pregnant

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Please answer the following regarding your medical history:

Have you ever been diagnosed with cancer?

* must provide value

Yes

No

If Yes, are you currently undergoing radiation, chemotherapy, or immunotherapy?

* must provide value

Yes

No

ELIGIBILITY: Exclusion, currently undergoing cancer treatment

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Are you currently taking calcium supplements more than 1,200 mg per day?

* must provide value

Yes

No

ELIGIBILITY: Exclusion, taking calcium supplements > 1,200 mg per day

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Are you currently taking medications for seizures or epilepsy? Examples: Carbamazepine (Carbatrol, Tegretol), Phenytoin (Dilantin, Phenytek),Valproic acid (Depakene), Oxcarbazepine (Oxtellar, Trileptal), Phenobarbital, Topiramate (Topamax)

* must provide value

Yes

No

ELIGIBILITY: Exclusion, taking medications for seizures or epilepsy

View equation

Are you currently taking the medication digoxin?

* must provide value

Yes

No

ELIGIBILITY: Exclusion, taking digoxin

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Please answer the following questions regarding your vitamin D intake:

NOT including your diet, in the past two weeks, on average, how much TOTAL vitamin D do you take each day from nutritional supplements such as single tablets of vitamin D, multi-vitamins, calcium supplements (Calcium+D) or drugs that may include vitamin D (Example: Fosamax+D)? Referring to package labels, please add up ALL your non-diet sources of vitamin D.

* must provide value

None

400 IU or less per day

401-1000 IU per day

Greater than 1000 IU per day

ELIGIBILITY: Exclusion, daily Vitamin D intake (>1000 IU)

Changed 1/22/2021 from >400 IU to >1000 IU.

View equation

Are you currently undergoing prescription vitamin D treatments? (Calcitriol [Rocaltrol, Calcitrol, Vectical], Paricalcitol [Zemplar], or Calcijex)

* must provide value

Yes

No

ELIGIBILITY: Exclusion, undergoing prescription vitamin D treatments

View equation

Would you be willing to provide a blood sample by mail on your own (e.g. with a finger prick) to gather important information related to the COVID-19 infection and for a Vitamin D blood level?

* must provide value

Yes

No

ELIGIBILITY: Inclusion, willing to provide blood sample

View equation

Are you able to receive an overnight express mail shipment of study pills at your current address?

* must provide value

Yes

No

ELIGIBILITY: Inclusion, able to receive shipments at current address

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Please answer the following questions regarding your living arrangement

Where do you CURRENTLY live?

* must provide value

Independent home or other housing (Example: apartment, condominium) in the general community

Senior/retirement housing

Assisted living facility

Rehabilitation facility or skilled nursing facility

Nursing home

ELIGIBILITY: Current living arrangements

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With whom do you live? (Mark all that apply.)

* must provide value

Alone

With spouse or partner

With other family members

With non-relatives

How many adults (18 years or older), including yourself, are living in the same household?

* must provide value

1

2

3

4

5

6 or more

How many children (under 18) are living in your household?

None

1

2

3

4 or more

What protective measures are you currently taking at home? (Mark all that apply)

* must provide value

I am using a separate bedroom

I am using a separate bathroom

I eat separately, away from others

I do not share personal items (dishes, cups/glasses, silverware, towels, bedding, or electronics) with others

I wear face covering whenever around others in the household

I wash hands often

None of the above

Can you identify ONE person in your household who will stay with you for the next two weeks, has NOT tested positive for COVID-19 and fits any of the following descriptions? (Mark all that apply)

* must provide value

Spends 2 hours or more per day with you in a single room, often within 6 feet

Has meals with you at least 5 times in the past week

Stays with you for at least 6 days in the past week

Plans on staying with you for the next two weeks or longer

No, I am not living with anybody who fits any of the above descriptions

The person you identified is considered a close household contact and may be eligible to participate in the study. We will provide you with a link for you to pass to the person as they might be interested in participating in the study.

To your knowledge, have you EVER been exposed to another person with confirmed or suspected COVID-19?

Yes, confirmed COVID-19 case(s)

Yes, suspected COVID-19 case(s) only

Yes, both confirmed and suspected COVID-19 case(s)

No, not that I know of

How long ago did the most recent exposure take place?

Within 3 days

4-7 days ago

8-14 days ago

More than 2 weeks ago

I do not remember

Were any of these cases a member of your household?

Yes

No

What is the highest level of education you have completed?

8th grade or below

9th to 11th grade

Graduated from high school

1 year of college

2 years of college

3 years of college

Graduated from college

Completed graduate school

What is your approximate average annual household income?

$0-$24,999

$25,000 - $49,999

$50,000 - $74,999

$75,000 and up

HIDDEN IN PRODUCTION
Internal Logic for Eligibility

ELIGIBILITY: Inclusion, had at least one symptom (among all 12) that started in last 4 days

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ELIGIBILITY: Inclusion, had at least one symptom (among all 12) that started in last 5 days

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ELIGIBILITY: Exclusion, had symptom (among first 7) start >4 days ago and is still ongoing

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ELIGIBILITY: Exclusion, had symptom (among first 7) start >5 days ago and is still ongoing

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ELIGIBILITY: Sum of comorbidities and risk factors (CRF)

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ELIGIBILITY: Eligible on age + comorbidities / risk factors (>=2 CRF for ages 30-49; >=1 for ages 50-59; >=0 for ages 60+)

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Sum of eligibility criteria (0 = ELIGIBLE, 1+ = INELIGIBLE)

Change 1/22/2021 - Remove symptom (______, ______) and comorbidity/risk-factor criteria (______).

View equation

ELIGIBLE FOR STUDY

NOT ELIGIBLE FOR STUDY

Please answer the following questions about yourself:

Date of birth

* must provide value

M-D-Y

First name

* must provide value

Last name

* must provide value

Phone number

* must provide value

Street address

* must provide value

City

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State

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ZIP code

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Please provide the contact information of a person who is authorized to confirm whether you have been hospitalized (This will only be used when we cannot reach you):

Contact name:

Contact phone number:

Contact email address:

By clicking "Submit", I confirm that:

I understand that I will need to take the study pills every day for 28 days
I understand that I will need to provide 2 fingerstick blood samples: 1 on the day I receive the study supplies before I start taking the study pills and 1 between Days 25 and 28 of pill-taking
I understand that I will need to complete 1 brief survey in a few days, weekly surveys during the first 4 weeks of the study and 1 additional survey at week 8.

Randomization strata: Age criteria

1: < 60
2: 60+

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Randomization strata: Race/ethnicity

1: White, Non-Hispanic
2: Black or African American
3: Other/Unknown

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Randomization strata: Sex

1: Male
2: Female
3: Other/Unknown

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Randomization strata (V1): Final stratum (1-18)

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Randomization strata (V2): Age criteria

1: < 40
2: 40+

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Randomization strata (V2): Sex

1: Male
2: Female/Other/Unknown

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Randomization strata (V2): Vaccine status

1: None
2: Any vaccination

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Randomization strata (V2): Final stratum (1-8)

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INTERNAL: Consent version

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v1 - VIVID Consent 12.18.20 CLEAN RTR

v2 - VIVID Consent 1.19.21 CLEAN

v3 - VIVID Consent 2.12.21 CLEAN 18 years approved

v4 - VIVID Consent 3.1.21 CLEAN

v5 - VIVID Consent 9.20.21 CLEAN

v6 - VIVID Consent 12.9.21

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