Table 4

 Association between length at birth, length rate, and length ratio and wheeze and waking with breathlessness at night by polytomous regression analysis (n = 1062)*

Wheeze†OR (95% CI), p valueWaking with breathlessness†OR (95% CI), p valueTwo symptoms combined OR (95% CI), p value
OR, odds ratio; BMI, body mass index.
*Each assessment was adjusted for sex, number of siblings, current smoking behaviour, socioeconomic level, BMI at birth, BMI rate, and the other variables in the table.
†Asthma symptoms in the last 12 months.
Length at birth (cm)1.11 (0.98 to 1.25), 0.0961.00 (0.83 to 1.21), 0.9841.27 (1.04 to 1.55), 0.017
Length rate (cm/month)1.16 (0.45 to 2.97), 0.7530.76 (0.16 to 3.57), 0.7291.13 (0.24 to 5.36), 0.871
Length ratio (tertile length rate/tertile length at birth)1.68 (1.19 to 2.37), 0.0031.33 (0.77 to 2.28), 0.3031.61 (0.92 to 2.81), 0.093