Table 2.

Association between characteristics of participants and allergic sensitization trajectory by multivariate multinomial logistic regression (n = 396).

	Early food and mite sensitization		Late mite sensitization
	AOR (95% CI)	P	AOR (95% CI)	P
Sex
Male	Ref	–	Ref	–
Female	0.72 (0.40–1.32)	0.294	0.58 (0.35–0.96)	0.033a
Ethnicity		0.532		0.121
Chinese	Ref	–	Ref	–
Malay	1.02 (0.41–2.49)	0.971	1.26 (0.63–2.52)	0.521
Indian	0.54 (0.18–1.63)	0.273	0.45 (0.18–1.09)	0.078
Maternal education level
Secondary school education or less	Ref	–	Ref	–
Post-secondary and higher	1.22 (0.53–2.78)	0.642	1.61 (0.85–3.03)	0.142
Family history of allergy	1.27 (0.68–2.37)	0.458	1.08 (0.65–1.80)	0.775
Maternal plasma Vitamin D3		0.730		0.530
Deficient	Ref	–	Ref	–
Insufficient	0.93 (0.30–2.89)	0.905	0.82 (0.34–1.99)	0.658
Sufficient	1.24 (0.42–3.62)	0.697	1.16 (0.50–2.66)	0.735
Maternal age in years	1.03 (0.96–1.10)	0.453	0.97 (0.92–1.03)	0.365
Parity		0.981		0.444
0	Ref	–	Ref	–
1	0.97 (0.47–1.97)	0.924	1.35 (0.74–2.46)	0.326
≥2	0.91 (0.35–2.36)	0.844	1.55 (0.74–3.25)	0.240
Gestational age in weeks	1.01 (0.81–1.27)	0.915	1.09 (0.89–1.33)	0.401
Tobacco exposure during pregnancy	0.85 (0.39–1.85)	0.688	1.23 (0.68–2.22)	0.490
Mode of delivery
Vaginal delivery	Ref	–	Ref	–
Cesarean section	0.72 (0.37–1.42)	0.348	0.54 (0.30–0.98)	0.042a
Breastfeeding		0.026		0.360
Mainly breastfeeding	Ref	–	Ref	–
Mixed feeding	2.43 (0.96–6.16)	0.061	1.47 (0.71–3.04)	0.305
Mainly formula feeding	1.03 (0.36–2.98)	0.952	1.01 (0.46–2.21)	0.988
Eczema in early life by 6 months	4.67 (1.78–12.28)	0.002a	3.40 (1.38–8.42)	0.008a
Cat ownership by 1 year	1.51 (0.43–5.35)	0.525	0.85 (0.27–2.61)	0.771
Dog ownership by 1 year	0.13 (0.02–1.08)	0.059	0.97 (0.39–2.41)	0.945
Childcare attendance by 1 year	2.12 (0.92–4.90)	0.078	2.01 (0.97–4.15)	0.059

AOR, adjusted odds ratio; CI, confidence interval.

No/low sensitization trajectory was the baseline group for odds.

^ap value that was significant