Table 4.

Multiple regression analysis of heath literacy, psychological and behavioral factors, and subjective expectation of reaching 85 years (n = 5,379)

Variables	β	t value	95% CI	p value
Health literacy	0.07	4.18	0.04—0.10	< 0.001
ILHC	0.02	2.98	0.01—0.03	0.003
WTHR	0.05	3.15	0.02—0.07	0.002
Life satisfaction	0.23	9.23	0.18—0.28	< 0.001
Health satisfaction	0.37	13.47	0.32—0.42	< 0.001
Self-rated health	0.46	7.62	0.34—0.58	< 0.001
Sex, female	0.71	10.12	0.57—0.84	< 0.001
Smoking, ex-smoker	-0.22	-2.88	-0.37—-0.07	0.004
Smoking, current smoker	-1.07	-11.33	-1.26—-0.89	< 0.001
Alcohol consumption, > 21 units per week	-0.44	-2.54	-0.78—-0.10	0.011
Taking daily medications, no	0.26	3.60	0.12—0.40	< 0.001

Not significant variables: age, education, personal income, body mass index, and health-related quality of life

Model statistics, Prob > F = 0.0000; R-squared = 0.3869; β Regression coefficient, CI Confidence interval

IHLC Internal health locus of control, WTHR Willingness to take health risks