Table 5.

Linear regression model for factors associated with life satisfaction by age group

	Single-item Life Satisfaction Scale (LS)
	18–64 years			65 years or over
	b	95% CI	p-value	b	95% CI	p-value
Age	0.00	(-0.01, 0.01)	0.951	0.00	(-0.04, 0.03)	0.995
Sex (ref: male)
female	-0.10	(-0.42, 0.22)	0.536	0.16	(-0.23, 0.55)	0.420
Education (ref: primary or less)
secondary	0.33	(-0.13, 0.8)	0.159	0.05	(-0.38, 0.47)	0.826
tertiary	0.30	(-0.24, 0.85)	0.272	-0.14	(-0.74, 0.47)	0.655
Self-reported financial status (ref: good/very good)
satisfactory	-0.34	(-0.68, 0.01)	0.055	-1.11	(-1.51, -0.71)	< 0.001
bad/very bad	-1.24	(-1.87, -0.62)	< 0.001	-1.99	(-2.76, -1.22)	< 0.001
Marital status (ref: married)
widow	0.09	(-0.78, 0.96)	0.839	-0.30	(-0.77, 0.16)	0.196
other	0.11	(-0.23, 0.45)	0.517	0.53	(-0.09, 1.15)	0.091
Social support (OSSS-3) (ref: poor)
moderate	0.24	(-0.22, 0.7)	0.306	0.54	(-0.05, 1.14)	0.075
strong	0.38	(-0.12, 0.89)	0.139	0.84	(0.22, 1.45)	0.007
Support in personal matter (ref: yes)
no	-0.34	(-1.13, 0.46)	0.410	-1.10	(-2.54, 0.33)	0.132
Number of chronic diseases (ref: < 2)
2 or more	-0.65	(-1.05, -0.25)	0.001	-0.06	(-0.59, 0.47)	0.830
Sense of control over health (ref: less/nothing)
lot/very lot	0.77	(0.23, 1.32)	0.006	0.59	(0.1, 1.08)	0.019
Limitations in daily activities (ref: no)
yes	-0.37	(-0.8, 0.07)	0.102	-0.66	(-1.09, -0.24)	0.002
Pain (ref.no)
very mild/mild/moderate	-0.36	(-0.73, 0.00)	0.052	-0.22	(-0.65, 0.22)	0.324
severe/extreme severe	-0.79	(-1.64, 0.06)	0.070	-0.71	(-1.41, -0.01)	0.046
Smoking (ref: never smoked)
yes	-0.24	(-0.58, 0.1)	0.175	0.27	(-0.26, 0.81)	0.313
former	-0.36	(-0.93, 0.2)	0.209	0.23	(-0.16, 0.62)	0.252

Statistically significant results (p < 0.05) are shown in bold. OSSS-3, Oslo Social Support Scale; b, linear regression coefficient; CI, confidence interval