AoW school visit bioimpedance 2023 release
Table ID: BiB_AgeOfWonder.bioimpedance_dr23
| Entity type | Variables | Entities | Updated | Related tables |
|---|---|---|---|---|
| Participant | 28 | 1583 | 2023-11-10 | NA |
Annual data release 2023 school visit bioimpedance data.
| variable | label | value_type | summary |
|---|---|---|---|
| BiBPersonID | BiB cohort person ID | text | 663 unique values 663 non-missing values 8 characters |
| is_bib | Participant is in original BiB cohort | decimal | mean (sd) 0.42 (0.49) min < median < max 0.00 < 0.00 < 1.00 Complete: 1583 (100.00%) |
| aow_recruitment_id | Age of Wonder recruitment ID | text | 1583 unique values 1583 non-missing values 10 characters |
| recruitment_era | Recruitment era (academic year) | text | 2 unique values 1583 non-missing values 7 characters |
| age_recruitment_y | Age at recruitment in years | decimal | mean (sd) 13.45 (0.50) min < median < max 13.00 < 13.00 < 15.00 Complete: 1583 (100.00%) |
| age_recruitment_m | Age at recruitment in months | decimal | mean (sd) 166.79 (4.55) min < median < max 158.00 < 167.00 < 180.00 Complete: 1583 (100.00%) |
| gender | Gender reported by school | decimal | 1 : Female 2 : Male Complete: 1583 (100.00%) |
| ethnicity_1 | Ethnicity reported by school - higher level category | decimal | 1 : Asian or Asian British 2 : Black, Black British, Caribbean or African 3 : Mixed or multiple ethnic groups 4 : White 5 : Other ethnic group 97 : Data provided but ethnicity not stated 98 : Data provided but unmapped 99 : Data not provided Complete: 1583 (100.00%) |
| ethnicity_2 | Ethnicity reported by school - lower level category | decimal | 11 : Indian 12 : Pakistani 13 : Bangladeshi 14 : Chinese 15 : Any other Asian background 21 : Caribbean 22 : African 23 : Any other Black, Black British, or Caribbean background 31 : White and Black Caribbean 32 : White and Black African 33 : White and Asian 34 : Any other Mixed or multiple ethnic background 41 : English, Welsh, Scottish, Northern Irish or British 42 : Irish 43 : Gypsy or Irish Traveller 44 : Roma 45 : Any other White background 51 : Arab 52 : Any other ethnic group 97 : Data provided but ethnicity not stated 98 : Data provided but unmapped 99 : Data not provided Complete: 1583 (100.00%) |
| birth_year | Year of birth | decimal | mean (sd) 2008.55 (0.57) min < median < max 2007.00 < 2009.00 < 2009.00 Complete: 1583 (100.00%) |
| birth_month | Month of birth | decimal | mean (sd) 6.56 (3.44) min < median < max 1.00 < 7.00 < 12.00 Complete: 1583 (100.00%) |
| school_id | Pseudo school ID | text | 15 unique values 1583 non-missing values 40 characters |
| year_group | Year group at recruitment | text | 2 unique values 1583 non-missing values 1 characters |
| form_tutor_id | Pseudo recruitment form tutor ID | text | 108 unique values 1583 non-missing values 40 characters |
| date_measurement | Date of measurement | date | from 2022-03-31 to 2023-06-26 Complete: 1583 (100.00%) |
| age_m | Age (months) at measurement | decimal | mean (sd) 167.50 (4.65) min < median < max 158.00 < 168.00 < 181.00 Complete: 1583 (100.00%) |
| age_y | Age (years) at measurement | decimal | mean (sd) 13.50 (0.50) min < median < max 12.00 < 14.00 < 15.00 Complete: 1583 (100.00%) |
| model | Bioimpedance scale model | text | 1 unique values 1583 non-missing values 6 characters |
| height | Height (cm) | decimal | mean (sd) 162.52 (8.31) min < median < max 138.00 < 162.00 < 194.00 Complete: 1583 (100.00%) |
| weight | Weight (kg) | decimal | mean (sd) 56.10 (13.87) min < median < max 25.80 < 53.30 < 114.70 Complete: 1583 (100.00%) |
| clothes | Estimated weight of clothes (kg) | decimal | mean (sd) 0.49 (0.05) min < median < max 0.00 < 0.50 < 0.60 Complete: 1583 (100.00%) |
| bmi | BMI (kg/m2) | decimal | mean (sd) 21.14 (4.54) min < median < max 11.80 < 20.10 < 44.10 Complete: 1583 (100.00%) |
| fatp | Total fat % | decimal | mean (sd) 21.73 (9.62) min < median < max 3.00 < 21.40 < 67.40 Complete: 1583 (100.00%) |
| fatm | Fat mass (kg) | decimal | mean (sd) 13.05 (8.61) min < median < max 1.10 < 11.10 < 77.10 Complete: 1583 (100.00%) |
| pmm | Predicted muscle mass (kg) | decimal | mean (sd) 40.85 (7.63) min < median < max 23.10 < 39.80 < 67.90 Complete: 1583 (100.00%) |
| ffm | Fat free mass (kg) | decimal | mean (sd) 43.05 (8.01) min < median < max 24.50 < 41.90 < 71.40 Complete: 1583 (100.00%) |
| tbw | Total body water (kg) | decimal | mean (sd) 31.52 (5.86) min < median < max 17.90 < 30.70 < 52.30 Complete: 1582 (99.94%) |
| imp | Impedance (ohms) | decimal | mean (sd) 584.71 (99.62) min < median < max 215.40 < 575.90 < 989.10 Complete: 1583 (100.00%) |