Table 2.

Multiple regression of tobacco, alcohol and physical inactivity risk factors

	Tobacco use			Alcohol consumption			Physically inactive
	Current smoker (%)	OR	CI	Consume >14 units per week (%)	OR	CI	Not minimally active (%)	OR	CI
Total	14.6			15.3			33.9
Gender
Male (n = 1604)	15.8	–	–	23.1	–	–	29.0	–	–
Female (n = 1690)	13.6	0.826	0.673–1.013	7.9	0.292**	0.233–0.365	38.6	1.584**	1.348–1.852
Age
18–24 (n = 283)	16.3	–	–	9.9	–	–	20.5	–	–
25–34 (n = 631)	14.6	0.932	0.622–1.397	11.0	0.993	0.614–1.607	30.4	1.641*	1.123–2.398
35–44 (n = 571)	17.5	1.124	0.747–1.692	13.5	1.314	0.813–2.125	33.8	1.851*	1.261–2.718
45–54 (n = 562)	15.8	0.936	0.632–1.465	18.3	1.976*	1.229–3.178	37.5	2.104**	1.430–3.095
55–64 (n = 510)	17.6	1.045	0.686–1.592	19.7	2.137*	1.326–3.443	31.8	1.634*	1.103–2.422
65+ (n = 736)	8.8	0.508*	0.330–0.782	17.0	1.757*	1.104–2.795	40.9	2.529**	1.746–3.663
Social grade
AB (n = 725)	10.2	–	–	17.7	–	–	32.0	–	–
C1 (n = 988)	12.2	1.195	0.869–1.645	17.4	1.084	0.824–1.425	29.9	0.915	0.728–1.151
C2 (n = 494)	17.0	1.757*	1.238–2.492	15.6	0.886	0.638–1.232	34.8	1.113	0.855–1.449
DE (n = 1087)	18.6	2.046**	1.517–2.758	11.6	0.675*	0.508–0.897	38.5	1.182	0.949–1.472
BMI
Underweight (n = 85)	9.9	–	–	10.6	–	–	37.6	–	–
Normal weight (n = 1327)	16.9	1.810	0.869–3.770	14.2	1.230	0.590–2.566	25.5	0.562*	0.351–0.897
Overweight (n = 944)	12.4	1.284	0.607–2.713	19.1	1.383	0.659–2.903	28.8	0.655	0.407–1.056
Obese (648)	16.0	1.623	0.765–3.447	15.0	1.168	0.549–2.487	54.3	1.859*	1.149–3.007
Nation
England (n = 2762)	14.4	–	–	15.6	–	–	33.5	–	–
Wales (n = 158)	15.2	1.069	0.673–1.699	12.7	0.925	0.558–1.533	40.5	1.358	0.943–1.954
Scotland (n = 280)	14.3	0.908	0.628–1.312	13.9	0.882	0.608–1.280	31.5	0.854	0.638–1.143
Northern Ireland (n = 92)	20.7	1.465	0.856–2.508	12.0	0.693	0.352–1.366	42.4	1.559	0.987–2.462

SES: AB is managerial/professional roles, C1 supervisory and clerical roles, C2 skilled manual workers, DE semi-skilled, unskilled and unemployed.

*P < 0.05, **P < 0.005.