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Table 2 Proportion of each cohort assigned to each class and odds ratios for class membership

From: Changes over time in latent patterns of childhood-to-adulthood BMI development in Great Britain: evidence from three cohorts born in 1946, 1958, and 1970

BMI trajectory class membership Class 1: Lowest Class 2: Middle Class 3: Increasing Class 4: Highest
N (%) OR (95% CI) N (%) OR (95% CI) N (%) OR (95% CI) N (%) OR (95% CI)
Males (n = 12 465)
NSHD 1 188 (63.5) (ref) 296 (15.8) (ref) 328 (17.5) (ref) 60 (3.2) (ref)
NCDS 3 757 (59.7) 1 093 (17.4) 1.22 (0.96, 1.54) 1 083 (17.2) 0.99 (0.76, 1.29) 358 (5.7) 2.23 (1.53, 3.25)
BCS 2 209 (51.3) 643 (15.0) 1.16 (0.88, 1.52) 1 150 (26.7) 2.78 (2.15, 3.60) 300 (7.0) 3.67 (2.50, 5.39)
Females (n = 13,190)
NSHD 966 (53.0) (ref) 274 (15.1) (ref) 460 (25.3) (ref) 121 (6.6) (ref)
NCDS 3  036 (48.7) 1 012 (16.2) 1.26 (0.99, 1.60) 1 629 (26.2) 1.15 (0.94, 1.40) 551 (8.9) 1.58 (1.22, 2.03)
BCS 2  248 (43.7) 656 (12.8) 0.93 (0.71, 1.22) 1  682 (32.7) 1.87 (1.53, 2.28) 555 (10.8) 2.20 (1.71, 2.85)
  1. *OR odds ratios for class membership, using ‘lowest’ class as referent class and NSHD as the referent cohort