Table 2.
Schedule of Project Viva study visits and summary of measures at each visit
| Visit (Median age) | Type | From Viva Moms | From Viva Kids |
|---|---|---|---|
| 1st trimester (9.9 weeks of gestation) | In person | Questionnaire and interview | |
| Diet questionnaire | |||
| Blood sample | |||
| 2nd trimester (27.9 weeks of gestation) | In person | Questionnaire and interview | |
| Diet questionnaire | |||
| Blood sample | |||
| Birth (39.7 weeks of gestation) | In person | Interview | Anthropometry |
| Hair sample | Blood pressure | ||
| Cord blood sample | |||
| Infancy (6.3 months of age) | In person | Blood pressure | Anthropometry |
| Anthropometry | Blood pressure | ||
| Questionnaire and interview | Cognitive assessment | ||
| Vision | |||
| 1 and 2 years | Questionnaire | ||
| Early childhood (3.2 years of age) | In person | Questionnaire and interview | Anthropometry |
| Anthropometry | Blood pressure | ||
| Blood pressure | Cognitive assessment | ||
| Cognitive assessment | Blood sample | ||
| Blood sample | Household dust sample | ||
| 4, 5 and 6 years | Questionnaire | ||
| Mid-childhood (7.7 years of age) | In person | Questionnaire and interview | Anthropometry |
| Anthropometry | DXA scan | ||
| Cognitive assessment | Step test | ||
| Home stimulation measures | Blood pressure | ||
| Mother and teacher reports of child | Spirometry | ||
| behaviours and executive function | Cognitive assessment | ||
| Fasting blood | |||
| Hair and urine | |||
| 8 years | Questionnaire | ||
| 9, 10 and 11 years | Mail and internet | Questionnaire | Questionnaire |
| Early teen (In progress) | In person | Questionnaire and interview | Questionnaire |
| Anthropometry | Anthropometry | ||
| DXA scan | |||
| Step test | |||
| Blood pressure | |||
| Spirometry | |||
| Exhaled nitrous oxide | |||
| Nasal swab | |||
| Fasting blood | |||
| Hair and urine | |||