TABLE 5

Associations between maternal free sugar intake in pregnancy and number of positive skin prick tests (SPTs)#

Free sugar1 positive SPT≥2 positive SPTs+
Adjusted OR§ (95% CI)p-trendAdjusted OR§ (95% CI)p-trend
Quintile 11.001.00
Quintile 20.87 (0.68–1.12)1.17 (0.87–1.57)
Quintile 31.07 (0.83–1.37)1.14 (0.84–1.56)
Quintile 41.09 (0.83–1.43)1.37 (0.99–1.90)
Quintile 51.19 (0.86–1.63)1.73 (1.18–2.52)
Per quintile1.06 (0.98–1.14)0.121.13 (1.03–1.23)0.006

#: no positive SPT was considered as baseline category (n=4797); : n=783; +: n=531; §: controlling for energy intake, smoking, infections, supplements, antibiotics and paracetamol use during pregnancy; maternal educational level, housing tenure, financial difficulties, ethnicity, age, parity, history of atopic diseases, anxiety, sex of child, season of birth, multiple pregnancy and breastfeeding duration.