Table 3

Marginal model: asthma at any time point (vegetable intake as main exposure of interest)

Independent variableOR (95% CI)
Model 1Model 2Model 3Model 4Model 5Model 6Model 7Model 8
n=890n=883n=781n=777n=756n=682n=682n=677
TimeYear 5 follow-up1.31 (0.92 to 1.86)1.30 (0.92 to 1.84)1.28 (0.87  to 1.90)1.31 (0.88 to 1.94)1.25 (0.84 to 1.86)1.27 (0.83 to 1.92)1.27 (0.83 to 1.93)1.29 (0.84 to 1.96)
 Ref: year 3 follow-upYear 10 follow-up2.59 (1.97 to 3.41)2.56 (1.94 to 3.37)2.81 (2.09 to 3.78)2.86 (2.11 to 3.86)2.88 (2.13 to 3.90)2.81 (2.07 to 3.83)2.80 (2.06 to 3.82)2.84 (2.08 to 3.88)
Vegetable intake (serving/day)0.94 (0.87 to 1.01)0.94 (0.87  to 1.01)0.94 (0.86 to 1.03)0.95 (0.88 to 1.03)0.96 (0.88 to 1.04)0.96 (0.88 to 1.05)0.96 (0.88 to 1.05)0.96 (0.88 to 1.05)
Total EI (1000 kCal)0.96 (0.85  to 1.08)0.97 (0.86 to 1.09)0.97 (0.86 to 1.09)0.97 (0.86 to 1.09)0.96 (0.84 to 1.09)0.95 (0.83 to 1.09)0.95 (0.83 to 1.09)
Gestational age (weeks)0.92 (0.85 to 0.99)0.92 (0.85 to 0.99)0.93 (0.86 to 1.01)0.93 (0.86 to 1.01)0.93 (0.85 to 1.01)0.93 (0.86 to 1.01)
GMS eligibility (baseline)Yes1.20 (0.76 to 1.91)1.13 (0.69 to 1.84)0.93 (0.54 to 1.59)0.94 (0.55 to 1.34)0.95 (0.55 to 1.63)
 Ref: no
Smoking at deliverySmoker0.96 (0.62 to 1.49)0.84 (0.52 to 1.34)0.83 (0.52 to 1.34)0.83 (0.52 to 1.34)
 Ref: non-smoker
Breast feedingNo1.27 (0.90 to 1.79)1.28 (0.91 to 1.81)1.28 (0.91 to 1.81)
 Ref: yes
Season of birthSummer1.36 (0.95 to 1.94)1.35 (0.95 to 1.94)
 Ref: winter
Supplement useNo1.17 (0.82 to 1.66)
 Ref: yes
  • EI, energy intake; GMS, general medical scheme; Ref, reference.