Table 3.

A multivariable logistic regression model^a showing independent associations between participant characteristics and odds of making a dietary change (n = 221).

	OR (95% CI)	P
Sex (female vs. male)	1.23 (0.60, 2.52)	0.575
Age at follow-up, years
20–29	Reference
30–39	1.43 (0.61, 3.36)	0.417
40–49	0.81 (0.35, 1.89)	0.630
50–59	0.61 (0.21, 1.75)	0.356
Ethnicity (other vs. Caucasian)	1.03 (0.17, 6.12)	0.971
Study region
Brisbane (27°S)	Reference
Newcastle (33°S)	1.84 (0.71, 4.77)	0.210
Geelong (37°S)	1.16 (0.52, 2.61)	0.711
Tasmania (43°S)	0.92 (0.42, 2.00)	0.824
Education at baseline
Year 10 or less	Reference
Year 12 and TAFE	1.63 (0.75, 3.55)	0.215
University	1.37 (0.56, 3.33)	0.493
Physical activity at baseline
Low	Reference
Moderate	1.04 (0.45, 2.41)	0.924
High	0.93 (0.41, 2.15)	0.870
Body mass index category at baseline
Normal/underweight (≤24.9)	Reference
Overweight (25–29.9)	0.56 (0.26, 1.18)	0.128
Obese class 1 (30–34.9)	1.61 (0.69, 3.73)	0.270
Obese class 2 (≥35)	1.62 (0.56, 4.70)	0.378
Smoking at baseline
Current smoker	Reference
Past smoker	1.78 (0.86, 3.68)	0.118
Never smoked	1.28 (0.60, 2.76)	0.522

TAFE, Technical and Further Education.

^aAll characteristics included in a single model.