| Variable . | All (n = 3014) . | Males (n = 1542) . | Females (n = 1472) . | |||
|---|---|---|---|---|---|---|
| Mean or Percentage . | SD . | Mean or Percentage . | SD . | Mean or Percentage . | SD . | |
| BMI age 7 (kg/m2) | 16.1 | 1.89 | 16.0 | 1.76 | 16.3 | 2.09 |
| Height age 7 (cm) | 126.1 | 5.61 | 126.5 | 5.56 | 125.7 | 5.64 |
| Weight age 7 (kg) | 25.8 | 4.34 | 25.7 | 4.16 | 25.9 | 4.51 |
| Fat mass measured by DXA (kg) | 8.26 | 4.77 | 7.10 | 4.53 | 9.46 | 4.71 |
| Body fat percentage (fat mass [kg]/weight [kg]) × 100a | 22.6 | 8.69 | 19.4 | 18.26 | 25.9 | 7.87 |
| Lean mass measured by DXA (kg) | 24.7 | 3.11 | 25.6 | 2.89 | 23.7 | 3.05 |
| Age at DXA assessment (mo) | 90.3 | 3.92 | ||||
| Age 7 FT3 (pmol/L) | 6.28 | 0.62 | 6.22 | 0.62 | 6.34 | 0.62 |
| Age 7 FT4 (pmol/L) | 15.7 | 1.66 | 15.5 | 1.58 | 15.9 | 1.71 |
| Age 7 TSH (mU/L) | 2.28 | 0.91 | 2.36 | 0.90 | 2.20 | 0.90 |
| Age 15 FT3 (pmol/L) | 5.84 | 0.74 | 6.19 | 0.69 | 5.50 | 0.63 |
| Age 15 FT4 (pmol/L) | 15.4 | 1.90 | 15.4 | 1.98 | 15.4 | 1.84 |
| Age 15 TSH (mU/L) | 2.33 | 1.00 | 2.43 | 1.05 | 2.24 | 0.93 |
| Family adversity indexb | 3.71 | 4.45 | 3.73 | 3.87 | 3.69 | 3.80 |
| Home scorec | ||||||
| 0–4 (%) | 3.47 | 2.77 | 4.21 | |||
| 5–8 (%) | 23.9 | 23.2 | 24.6 | |||
| 9–12 (%) | 72.7 | 74.1 | 71.2 | |||
| Housing statusd | ||||||
| Owned/mortgaged (%) | 85.6 | 85.6 | 85.6 | |||
| Privately rented (%) | 11.0 | 11.8 | 10.2 | |||
| Council rented/other (%) | 3.3 | 2.7 | 4.0 | |||
| Maternal age at childbirth (y) | 29.4 | 4.2 | 29.5 | 4.5 | 29.4 | 4.3 |
| Maternal highest educational statuse | ||||||
| Low (%) | 18.4 | 19.3 | 17.4 | |||
| Middle (%) | 34.8 | 35.5 | 34.1 | |||
| High (%) | 46.8 | 45.2 | 48.5 | |||
| Maternal smoking in pregnancyf | ||||||
| None (%) | 84.5 | 84.3 | 84.7 | |||
| Some (%) | 15.5 | 15.7 | 15.2 | |||
| Parityg | ||||||
| 0–1 (%) | 82.1 | 80.9 | 83.4 | |||
| 2–4 (%) | 17.9 | 18.7 | 16.6 | |||
| >5 (%) | 0.2 | 0.28 | 0.07 | |||
| Variable . | All (n = 3014) . | Males (n = 1542) . | Females (n = 1472) . | |||
|---|---|---|---|---|---|---|
| Mean or Percentage . | SD . | Mean or Percentage . | SD . | Mean or Percentage . | SD . | |
| BMI age 7 (kg/m2) | 16.1 | 1.89 | 16.0 | 1.76 | 16.3 | 2.09 |
| Height age 7 (cm) | 126.1 | 5.61 | 126.5 | 5.56 | 125.7 | 5.64 |
| Weight age 7 (kg) | 25.8 | 4.34 | 25.7 | 4.16 | 25.9 | 4.51 |
| Fat mass measured by DXA (kg) | 8.26 | 4.77 | 7.10 | 4.53 | 9.46 | 4.71 |
| Body fat percentage (fat mass [kg]/weight [kg]) × 100a | 22.6 | 8.69 | 19.4 | 18.26 | 25.9 | 7.87 |
| Lean mass measured by DXA (kg) | 24.7 | 3.11 | 25.6 | 2.89 | 23.7 | 3.05 |
| Age at DXA assessment (mo) | 90.3 | 3.92 | ||||
| Age 7 FT3 (pmol/L) | 6.28 | 0.62 | 6.22 | 0.62 | 6.34 | 0.62 |
| Age 7 FT4 (pmol/L) | 15.7 | 1.66 | 15.5 | 1.58 | 15.9 | 1.71 |
| Age 7 TSH (mU/L) | 2.28 | 0.91 | 2.36 | 0.90 | 2.20 | 0.90 |
| Age 15 FT3 (pmol/L) | 5.84 | 0.74 | 6.19 | 0.69 | 5.50 | 0.63 |
| Age 15 FT4 (pmol/L) | 15.4 | 1.90 | 15.4 | 1.98 | 15.4 | 1.84 |
| Age 15 TSH (mU/L) | 2.33 | 1.00 | 2.43 | 1.05 | 2.24 | 0.93 |
| Family adversity indexb | 3.71 | 4.45 | 3.73 | 3.87 | 3.69 | 3.80 |
| Home scorec | ||||||
| 0–4 (%) | 3.47 | 2.77 | 4.21 | |||
| 5–8 (%) | 23.9 | 23.2 | 24.6 | |||
| 9–12 (%) | 72.7 | 74.1 | 71.2 | |||
| Housing statusd | ||||||
| Owned/mortgaged (%) | 85.6 | 85.6 | 85.6 | |||
| Privately rented (%) | 11.0 | 11.8 | 10.2 | |||
| Council rented/other (%) | 3.3 | 2.7 | 4.0 | |||
| Maternal age at childbirth (y) | 29.4 | 4.2 | 29.5 | 4.5 | 29.4 | 4.3 |
| Maternal highest educational statuse | ||||||
| Low (%) | 18.4 | 19.3 | 17.4 | |||
| Middle (%) | 34.8 | 35.5 | 34.1 | |||
| High (%) | 46.8 | 45.2 | 48.5 | |||
| Maternal smoking in pregnancyf | ||||||
| None (%) | 84.5 | 84.3 | 84.7 | |||
| Some (%) | 15.5 | 15.7 | 15.2 | |||
| Parityg | ||||||
| 0–1 (%) | 82.1 | 80.9 | 83.4 | |||
| 2–4 (%) | 17.9 | 18.7 | 16.6 | |||
| >5 (%) | 0.2 | 0.28 | 0.07 | |||
% are expressed as column %.
Two children with missing data for weight at age 9.
A total of 323 children with missing data.
A total of 277 children with missing data.
A total of 215 children with missing data.
A total of 224 children with missing data.
A total of 201 children with missing data.
A total of 226 children with missing data.
| Variable . | All (n = 3014) . | Males (n = 1542) . | Females (n = 1472) . | |||
|---|---|---|---|---|---|---|
| Mean or Percentage . | SD . | Mean or Percentage . | SD . | Mean or Percentage . | SD . | |
| BMI age 7 (kg/m2) | 16.1 | 1.89 | 16.0 | 1.76 | 16.3 | 2.09 |
| Height age 7 (cm) | 126.1 | 5.61 | 126.5 | 5.56 | 125.7 | 5.64 |
| Weight age 7 (kg) | 25.8 | 4.34 | 25.7 | 4.16 | 25.9 | 4.51 |
| Fat mass measured by DXA (kg) | 8.26 | 4.77 | 7.10 | 4.53 | 9.46 | 4.71 |
| Body fat percentage (fat mass [kg]/weight [kg]) × 100a | 22.6 | 8.69 | 19.4 | 18.26 | 25.9 | 7.87 |
| Lean mass measured by DXA (kg) | 24.7 | 3.11 | 25.6 | 2.89 | 23.7 | 3.05 |
| Age at DXA assessment (mo) | 90.3 | 3.92 | ||||
| Age 7 FT3 (pmol/L) | 6.28 | 0.62 | 6.22 | 0.62 | 6.34 | 0.62 |
| Age 7 FT4 (pmol/L) | 15.7 | 1.66 | 15.5 | 1.58 | 15.9 | 1.71 |
| Age 7 TSH (mU/L) | 2.28 | 0.91 | 2.36 | 0.90 | 2.20 | 0.90 |
| Age 15 FT3 (pmol/L) | 5.84 | 0.74 | 6.19 | 0.69 | 5.50 | 0.63 |
| Age 15 FT4 (pmol/L) | 15.4 | 1.90 | 15.4 | 1.98 | 15.4 | 1.84 |
| Age 15 TSH (mU/L) | 2.33 | 1.00 | 2.43 | 1.05 | 2.24 | 0.93 |
| Family adversity indexb | 3.71 | 4.45 | 3.73 | 3.87 | 3.69 | 3.80 |
| Home scorec | ||||||
| 0–4 (%) | 3.47 | 2.77 | 4.21 | |||
| 5–8 (%) | 23.9 | 23.2 | 24.6 | |||
| 9–12 (%) | 72.7 | 74.1 | 71.2 | |||
| Housing statusd | ||||||
| Owned/mortgaged (%) | 85.6 | 85.6 | 85.6 | |||
| Privately rented (%) | 11.0 | 11.8 | 10.2 | |||
| Council rented/other (%) | 3.3 | 2.7 | 4.0 | |||
| Maternal age at childbirth (y) | 29.4 | 4.2 | 29.5 | 4.5 | 29.4 | 4.3 |
| Maternal highest educational statuse | ||||||
| Low (%) | 18.4 | 19.3 | 17.4 | |||
| Middle (%) | 34.8 | 35.5 | 34.1 | |||
| High (%) | 46.8 | 45.2 | 48.5 | |||
| Maternal smoking in pregnancyf | ||||||
| None (%) | 84.5 | 84.3 | 84.7 | |||
| Some (%) | 15.5 | 15.7 | 15.2 | |||
| Parityg | ||||||
| 0–1 (%) | 82.1 | 80.9 | 83.4 | |||
| 2–4 (%) | 17.9 | 18.7 | 16.6 | |||
| >5 (%) | 0.2 | 0.28 | 0.07 | |||
| Variable . | All (n = 3014) . | Males (n = 1542) . | Females (n = 1472) . | |||
|---|---|---|---|---|---|---|
| Mean or Percentage . | SD . | Mean or Percentage . | SD . | Mean or Percentage . | SD . | |
| BMI age 7 (kg/m2) | 16.1 | 1.89 | 16.0 | 1.76 | 16.3 | 2.09 |
| Height age 7 (cm) | 126.1 | 5.61 | 126.5 | 5.56 | 125.7 | 5.64 |
| Weight age 7 (kg) | 25.8 | 4.34 | 25.7 | 4.16 | 25.9 | 4.51 |
| Fat mass measured by DXA (kg) | 8.26 | 4.77 | 7.10 | 4.53 | 9.46 | 4.71 |
| Body fat percentage (fat mass [kg]/weight [kg]) × 100a | 22.6 | 8.69 | 19.4 | 18.26 | 25.9 | 7.87 |
| Lean mass measured by DXA (kg) | 24.7 | 3.11 | 25.6 | 2.89 | 23.7 | 3.05 |
| Age at DXA assessment (mo) | 90.3 | 3.92 | ||||
| Age 7 FT3 (pmol/L) | 6.28 | 0.62 | 6.22 | 0.62 | 6.34 | 0.62 |
| Age 7 FT4 (pmol/L) | 15.7 | 1.66 | 15.5 | 1.58 | 15.9 | 1.71 |
| Age 7 TSH (mU/L) | 2.28 | 0.91 | 2.36 | 0.90 | 2.20 | 0.90 |
| Age 15 FT3 (pmol/L) | 5.84 | 0.74 | 6.19 | 0.69 | 5.50 | 0.63 |
| Age 15 FT4 (pmol/L) | 15.4 | 1.90 | 15.4 | 1.98 | 15.4 | 1.84 |
| Age 15 TSH (mU/L) | 2.33 | 1.00 | 2.43 | 1.05 | 2.24 | 0.93 |
| Family adversity indexb | 3.71 | 4.45 | 3.73 | 3.87 | 3.69 | 3.80 |
| Home scorec | ||||||
| 0–4 (%) | 3.47 | 2.77 | 4.21 | |||
| 5–8 (%) | 23.9 | 23.2 | 24.6 | |||
| 9–12 (%) | 72.7 | 74.1 | 71.2 | |||
| Housing statusd | ||||||
| Owned/mortgaged (%) | 85.6 | 85.6 | 85.6 | |||
| Privately rented (%) | 11.0 | 11.8 | 10.2 | |||
| Council rented/other (%) | 3.3 | 2.7 | 4.0 | |||
| Maternal age at childbirth (y) | 29.4 | 4.2 | 29.5 | 4.5 | 29.4 | 4.3 |
| Maternal highest educational statuse | ||||||
| Low (%) | 18.4 | 19.3 | 17.4 | |||
| Middle (%) | 34.8 | 35.5 | 34.1 | |||
| High (%) | 46.8 | 45.2 | 48.5 | |||
| Maternal smoking in pregnancyf | ||||||
| None (%) | 84.5 | 84.3 | 84.7 | |||
| Some (%) | 15.5 | 15.7 | 15.2 | |||
| Parityg | ||||||
| 0–1 (%) | 82.1 | 80.9 | 83.4 | |||
| 2–4 (%) | 17.9 | 18.7 | 16.6 | |||
| >5 (%) | 0.2 | 0.28 | 0.07 | |||
% are expressed as column %.
Two children with missing data for weight at age 9.
A total of 323 children with missing data.
A total of 277 children with missing data.
A total of 215 children with missing data.
A total of 224 children with missing data.
A total of 201 children with missing data.
A total of 226 children with missing data.
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