Table 4:

Crude and adjusted odds ratios for overweight or obesity at 3 years of age with frequent household use of disinfectant and eco-friendly products

Disinfectant productsCrude model (n = 675)
Difference in BMI z score (95% CI)
Adjusted model* (n = 655)
Difference in BMI z score (95% CI)
BMI z score coefficient
Disinfectant top 30th centile0.17 (0.01 to 0.33)0.11 (−0.02 to 0.25)
Lachnospiraceae (high v. low)0.28 (0.14 to 0.43)0.12 (−0.01 to 0.24)
BMI z score 1 year0.48 (0.42 to 0.53)0.45 (0.39 to 0.50)
Disinfectant Top 40th centile0.14 (−0.01 to 0.29)0.08 (−0.05 to 0.21)
Lachnospiraceae (high v. low)0.12 (−0.01 to 0.24)
BMI z score 1 year0.45 (0.39 to 0.50)
Disinfectant top 50th centile0.12 (−0.03 to 0.26)0.07 (−0.05 to 0.20)
Lachnospiraceae (high v. low)0.12 (−0.01 to 0.24)
BMI z score 1 year0.45 (0.39 to 0.50)
Overweight or obesityOR (95% CI)AOR (95% CI)
Disinfectant top 30th centile1.32 (0.78 to 2.25)1.32 (0.68 to 2.57)
Lachnospiraceae (high v. low)1.79 (1.06 to 3.03)1.18 (0.63 to 2.21)
BMI z score 1 year3.19 (2.27 to 4.30)3.01 (2.18 to 4.14)
Disinfectant top 40th centile1.58 (0.95 to 2.64)1.55 (0.81 to 2.96)
Lachnospiraceae (high v. low)1.14 (0.60 to 2.14)
BMI z score 1 year3.04 (2.20 to 4.20)
Disinfectant top 50th centile1.66 (0.98 to 2.80)1.55 (0.80 to 3.03)
Lachnospiraceae (high v. low)1.13 (0.60 to 2.13)
BMI z score 1 year3.00 (2.18 to 4.13)
Eco-friendly productsCrude model (n = 675)
Difference in BMI z score (95% CI)
Adjusted model (n = 655)
Difference in BMI z score (95% CI)
BMI z score coefficient
Eco-friendly products 50th centile−0.25 (−0.40 to −0.11)−0.12 (−0.24 to 0.002)
Enterobacteriaceae (high v. low)−0.001 (−0.15 to 0.14)−0.014 (−0.14 to 0.11)
BMI z score 1 year0.48 (0.42 to 0.53)0.45 (0.40 to 0.50)
Overweight or obesityOR (95% CI)AOR (95% CI)
Eco-friendly products 50th centile0.36 (0.20 to 0.63)0.44 (0.22 to 0.86)
Enterobacteriaceae (high v. low)0.66 (0.39 to 1.10)0.51 (0.27 to 0.96)
BMI z score 1 year3.19 (2.37 to 4.30)3.01 (2.19 to 4.14)
  • Note: AOR = adjusted odds ratio, BMI = body mass index, CI = confidence interval, OR = odds ratio.

  • * Adjusted for exposure to household disinfectant, household detergent and household smoke, maternal overweight, BMI z score at 1 year and Lachnospiraceae.

  • Adjusted for exposure to household disinfectant, household eco-friendly products and household smoking, maternal overweight, BMI z score at 1 year and Enterobacteriaceae.