Early life and socio-economic determinants of dietary trajectories in infancy and early childhood – results from the HSHK birth cohort study

Table 3 Factors associated with trajectories of discretionary foods consumption in infancy and early childhood

Discretionary food trajectories	Adjusted RR	95% CI		P
Group 1^a	(reference group)
Group 2 ^b,d
*Number of children*
1	1.00
2	1.15	0.82	1.62	0.407
≥ 3	1.97	1.26	3.11	0.003
*Maternal education*
University	1.00
College/TAFE	1.26	0.84	1.88	0.258
Completed 12	1.98	1.28	3.06	0.002
Left school < 12	1.81	1.10	2.99	0.019
*Breastfeeding duration (in months)*	0.99	0.98	0.99	0.029
Group 3 ^c,e
*Child gender*
Male	1.00
Female	0.64	0.42	0.97	0.037
*Number of children*
1	1.00
2	0.95	0.58	1.58	0.859
≥ 3	2.63	1.47	4.70	0.001
*Maternal education*
University	1.00
College/TAFE	1.01	0.53	1.94	0.962
Completed 12	2.18	1.20	3.94	0.010
Left school < 12	3.01	1.61	5.65	0.001
*Index of relative socioeconomic advantage and disadvantage*
Deciles 9–10	1.00
Deciles 7–8	1.67	0.78	3.599	0.185
Deciles 5–6	2.58	0.77	8.60	0.123
Deciles 3–4	2.59	1.26	5.29	0.009
Deciles 1–2	2.69	1.31	5.55	0.007
*Breastfeeding duration (in months)*	0.99	0.97	0.99	0.029
*Age of introduction of solid foods*
< 17 weeks	1.00
17-25 weeks	0.39	0.21	0.74	0.004
≥ 26 weeks	0.30	0.15	0.61	0.001

RR Relative Risk Ratio, 95% CI 95% Confidence Interval
Index of relative socioeconomic advantage and disadvantage: deciles 9–10 = least disadvantaged; deciles 7–8 = low disadvantaged; deciles 5–6 = moderately disadvantaged; Deciles 3–4 = highly disadvantaged and deciles 1–2 = most disadvantaged
^a Trajectory Group 1 - Lowest (Low and gradual rising)
^b Trajectory Group 2 - Medium (Moderate and gradual rising)
^c Trajectory Group 3 - Highest (High and late declining)
^d Adjusted for child gender, maternal age, maternal marital status, maternal country of birth, maternal work status, index of relative socioeconomic advantage and disadvantage, age of introduction of solid foods
^e Adjusted for maternal age, maternal marital status, maternal country of birth, maternal work status

ISSN: 1475-2891