Table 1.

Sample distribution according to age, household income, education, living with a spouse and self-rated health, for total sample and by gender

	Total sample n=12,982		Males n=6053		Females n=6929
	n*	%°	n*	%°	n*	%°
Age
30-39	509	3.9	212	3.5	297	4.3
40-49	3574	27.5	1662	27.5	1912	27.6
50-59	2436	18.8	1147	18.9	1289	18.6
60-69	4103	31.6	1995	33.0	2108	30.4
70-79	1829	14.1	841	13.9	988	14.3
80-87	531	4.1	196	3.2	335	4.8
Living with a spouse#
No	3127	24.9	1063	17.9	2064	31.2
Yes	9432	75.1	4869	82.1	4563	68.8
Income§
Low	1456	12.2	468	8.1	988	16.0
Low middle	3191	26.7	1402	24.2	1789	29.0
High middle	4220	35.2	2247	38.8	1973	31.9
High	3101	25.9	1671	28.9	1430	23.1
Education^
Low	3673	28.7	1494	25.0	2179	31.9
Middle	4289	33.5	2119	35.5	2170	31.8
High	4837	37.8	2362	39.5	2475	36.3
Self-rated health
Bad$	699	5.4	286	4.8	413	6.0
Fair	3699	28.8	1693	28.2	2006	29.3
Good	6593	51.2	3206	53.3	3387	49.4
Excellent	1873	14.6	824	13.7	1049	15.3

*Summarized numbers may vary for the different variables due to missing values

°row percentage

#living with a spouse or cohabitant

^§household total gross income (low: <200,000 NOK, low middle: 201-400,000 NOK, high middle: 401-700,000 NOK, and high: >700,000 NOK)

^highest completed education (low: primary and part of secondary school, middle: high school, high: college or university)

^$the bad and very bad categories from the questionnaire are merged.