Table 1

Summary statistics of health and health-related behaviour by age group—males

Age group (years)	General health		Longstanding illnesses (LI)		Limiting LI
	(=1 if fair, bad, very bad health)		(=1 if presence of LI)		(=1 if presence of limiting LI)
	Sample	%	Sample	%	Sample	%
0–11*	3786	4.7	3111	17.9	3111	6.4
12–15†	1542	6.1	1281	21.3	1281	8.8
16–19	1161	8.7	968	18.1	968	6.9
20–24	1232	14.6	1043	19.2	1043	7.6
25–44	7016	14.9	5875	29.2	5875	13.8
45–64	7431	28.0	6163	48.7	6163	26.1
65+	5124	42.3	4204	70.2	4204	42.2
All	27 292	19.6	22 645	36.2	22 645	18.6

	Psychosocial health*		Obesity*		Smoking†
	(=1 if SDQ≥17 for ages 4–15 or if GHQ-12≥4 for ages 16+)		(=1 according to IOTF classification for ages 2–17 or if BMI ≥30 for ages 18+)		(=1 if currently smokes for ages 8+)
Age group (years)	Sample	%	Sample	%	Sample	%

0–11*	1638	10.7	3074	6.2	2728	2.2
12–15†	816	9.5	1352	7.4	2728	2.2
16–19	961	7.9	1038	7.2	1073	19.0
20–24	1002	12.1	1099	11.0	1204	31.8
25–44	5799	11.8	6232	21.8	6981	30.9
45–64	6223	13.0	6522	32.4	7417	21.3
65+	4207	11.2	4191	27.1	5120	11.0
All	20 646	10.4	23 508	21.1	24 523	21.4

*Age group defined as 4–11-year-old for psychosocial health, and 2–11-year-old for obesity.
†Age group defined as 8–15-year-old for smoking.
BMI, Body Mass Index; GHQ, General Health Questionnaire; IOTF, International Obesity Task Force; SDQ, Strengths and Difficulties Questionnaire.