Table 2

The risk of obesity risk traits1in 1187 White and 994 Pakistani infants
UK-WHO charts UK90 reference charts Relative Risk (95% Confidence Interval)
White Pakistani White Pakistani White Pakistani
Overweight (%)
1 month 3.4 0.8 3.8 0.9 0.889 (0.585, 1.350) 0.889 (0.344, 2.295)
2 months 2.7 0.5 4.2 1.1 0.640* (0.414, 0.990) 0.455 (0.159, 1.303)
3 months 3.7 0.9 4.7 1.3 0.786 (0.534, 1.157) 0.692 (0.297, 1.612)
4 months 4.7 1.5 5.0 1.5 0.949 (0.664, 1.356) 1.000 (0.492, 2.035)
5 months 6.0 1.5 5.1 1.5 1.164 (0.835, 1.623) 1.000 (0.492, 2.035)
6 months 7.1 2.3 5.1 1.5 1.400* (1.015, 1.931) 1.533 (0.805, 2.921)
7 months 9.4 3.5 5.8 1.9 1.623* (1.216, 2.167) 1.842* (1.061, 3.198)
8 months 12.0 5.4 6.7 2.6 1.775* (1.366, 2.306) 2.077* (1.312, 3.288)
9 months 15.1 7.2 7.9 3.6 1.904* (1.503, 2.412) 2.000* (1.354, 2.955)
10 months 18.4 9.2 9.8 4.4 1.888* (1.530, 2.330) 2.068* (1.459, 2.932)
11 months 21.9 11.7 12.0 5.5 1.831* (1.517, 2.210) 2.109* (1.549, 2.872)
12 months 26.1 15.0 14.1 7.1 1.856* (1.566, 2.200) 2.099* (1.604, 2.745)
24 months (n = 332 White, 419 Pakistani) 24.7 24.6 11.1 11.7 2.216* (1.551, 3.167) 2.102* (1.539, 2.872)
Obesity (%)
1 month 0·4 0·1 0·6 0·1 0·714 (0·227, 2·244) 1·000 (0·063, 15·965)
2 months 0·2 0·1 0·4 0·1 0·400 (0·078, 2·058) 1·000 (0·063, 15·965)
3 months 0·3 0·1 0·3 0·1 1·000 (0·202, 4·945) 1·000 (0·063, 15·965)
4 months 0·3 0·1 0·3 0·1 0·750 (0·168, 3·344) 1·000 (0·063, 15·965)
5 months 0·7 0·2 0·5 0·1 1·333 (0·464, 3·831) 2·000 (0·182, 22·021)
6 months 1·4 0·4 0·7 0·4 2·125 (0·921, 4·905) 1·000 (0·251, 3·987)
7 months 1·9 0·4 1·2 0·4 1·643 (0·850, 3·177) 1·000 (0·251, 3·987)
8 months 3·0 0·5 1·4 0·4 2·118* (1·196, 3·749) 1·250 (0·337, 4·641)
9 months 4·2 1·0 2·4 0·4 1·786* (1·132, 2·816) 2·500 (0·787, 7·945)
10 months 5·7 2·4 3·2 0·5 1·789* (1·213, 2·640) 4·800* (1·839, 12·530)
11 months 7·6 4·0 4·2 0·8 1·800* (1·286, 2·519) 5·000* (2·352, 10·627)
12 months 10·1 5·2 5·2 1·4 1·935* (1·440, 2·602) 3·714* (2·072, 6·657)
24 months (n = 332 White, 419 Pakistani) 8·4 9·8 4·2 4·5 2·000* (1·072, 3·730) 2·158* (1·274, 3·654)
Weight gain 0–12 months
Rapid (%) 47.3 53.2 36.5 41.8 1.254* (1.151, 1.366) 1.262* (1.153, 1.381)
Extremely (%) rapid 24.6 30.9 18.1 23.8 1.228* (1.099, 1.371) 1.203* (1.081, 1.340)
BMI gain 1–12 months
Rapid (%) 54.4 56.0 35.5 37.8 1.485* (1.361, 1.621) 1.454* (1.324, 1.595)
Extremely rapid (%) 31.9 33.4 19.5 20.0 1.427* (1.278, 1.593) 1.456* (1.292, 1.641)

*significant at p < 0.05.

1Overweight, BMI > 1.34 Z-scores = 91st centile; obesity, BMI > 2.05 Z-scores = 98th centile; rapid weight or BMI gain, gain > 0.67 Z-scores = one centile band; extremely rapid weight or BMI gain, gain > 1.34 Z-scores = two centile bands.

Johnson et al.

Johnson et al. BMC Pediatrics 2012 12:104   doi:10.1186/1471-2431-12-104

Open Data