Table 2.

Descriptive Statistics for predictors of body mass index (BMI), fat mass (FM (kg)), and lean mass (LM (kg)) used in regression analyses for African Black Bt20 16 year olds.^a

Total n = 346	Percent or mean (SD)
Infancy measures
Female	46.5
Male	53.5
Term	84.6
Preterm	13.6
Post term	1.2
Missing	0.6
Parity 1	40.9
Parity 2	28.9
Parity 3	16.5
Parity 4 plus	12.7
Missing parity	0.9
Mother's age 15–19 yrs	19.7
Mother's age 20–24 yrs	29.8
Mother's age 25–29 yrs	25.7
Mother's age 30–34 yrs	17.6
Mother's age 35–39 yrs	7.2
Married/cohabiting	24.5
Previously married	0.6
Single	74.3
Missing marital status	0.6
Mother's education ≤grade 10	55.2
Mother's education grades 11–12	35.3
Mother's education post school	8.1
Mother's education missing	1.4
Public hospital	95.3
Private hospital	3.8
Missing hospital	0.9
Owns Property	28.6
Rented private	17.1
Rented local authority	49.4
Provided by employer	2.0
Missing home ownership	2.9
Indoor water/toilet	21.9
Inside & outside water/toilet	24.3
Outside water/toilet	48.3
Missing water/toilet	5.5
Sole use water/toilet	76.8
Sole & shared toilet/water	3.8
Shared toilet/water	13.9
Missing sole/shared water	5.5
Age 16 measures
Indoor sole use hot/cold water	26.9
Indoor share use hot/cold water	9.8
Indoor sole use cold water	26.9
Indoor share use cold water	8.4
Other	25.7
Missing	2.3
Sole use indoor flush toilet	35.3
Shared use indoor flush toilet	10.1
Sole use outdoor flush toilet	37.6
Shared use outdoor flush toilet	12.1
Other/missing	4.9
Increase SES tertile 0–16 yrs	22.2
Stay same SES tertile 0–16yrs	37.6
Reduce SES tertile 0–16 yrs	31.2
Missing SES tertile change	9.0
Currently smoke	22.2
Previously smoked	50.0
Never smoked	8.7
Missing smoking data	19.1
Tanner = 5 on either scale	20.6
Tanner = 4 on either scale	30.6
Tanner ≤3 on either scale	44.8
Missing Tanner scale	4.0
Maternal BMI (kg/m2)b	28.8 (5.9)
Maternal overweightc	30.6
Maternal obese	28.3
Maternal not overweight/obese	23.4
Missing maternal weight	17.7

^aThis table does not include the household/neighbourhood SES indices included in the anlaysis because by definition approximately a third of the sample fits into each of the index tertiles.

^bMaternal BMI was assessed between 2002 and 2004 when the cohort were aged between 12 and 14 years of age.

^cMaternal overweight and obesity defined using internationally accepted cut-offs of >25 kg/m² and >30 kg/m², respectively.