Table 2.

Associations between health behaviour and Health Literacy Questionnaire subscales.

	Physical activity			Dietary quality score			Smoking habits				Alcohol consumption		Body mass index
	Low	Moderate	High	Unhealthy	Average	Healthy	Daily	Occasional	Former	Never	High risk	Low risk	Under weight	Normal	Over weight	Obese
Understanding health information well enough to know what to do
Crude OR	0.45*	0.72*	1	0.54*	0.79*	1	0.87	1.00	1.22*	1	1.01	1	0.35*	1	1.03	0.77*
95% CI	0.37;0.54	0.60;0.87		0.41;0.71	0.64;0.98		0.70;1.07	0.60;1.67	1.02;1.45		0.77;1.34		0.18;0.66		0.87;1.23	0.63;0.94
Adjusted ORa	0.48*	0.69*	1	0.64*	0.81	1	0.83	0.78	1.11	1	0.93	1	0.43*	1	1.03	0.79*
95% CI	0.39;0.59	0.57;0.85		0.47;0.88	0.65;1.03		0.65;1.04	0.43;1.41	0.92;1.34		0.69;1.26		0.21;0.89		0.85;1.24	0.63;0.99
Ability to actively engage with healthcare providers
Crude OR	0.61*	0.83*	1	0.79	0.83	1	0.81*	0.82	1.17	1	0.90	1	0.54*	1	1.08	0.84
95% CI	0.51;0.72	0.70;0.99		0.61;1.02	0.69;1.01		0.67;0.99	0.55;1.23	0.99;1.38		0.68;1.20		0.29;0.98		0.92;1.27	0.69;1.02
Adjusted ORa	0.64*	0.84	1	0.77	0.79*	1	0.81*	0.72	1.04	1	0.81	1	0.70	1	1.02	0.83
95% CI	0.53;0.77	0.70;1.00		0.58;1.02	0.64;0.96		0.66;1.0	0.47;1.12	0.86;1.24		0.61;1.07		0.37;1.30		0.86;1.22	0.67;1.02

^aOR adjusted for gender, age, ethnic background, educational attainment and cohabitation.

OR: odds ratio; CI: confidence interval; *P < 0.05.