Table 1. Baseline characteristics and their association with non-adherence to antihypertensive medication in 3515 hypertensive employees, the Finnish Public Sector Study, 2000–2005.

		Days-not-treated
Characteristic	N (%)	Rate per 1 person-year*	RR (95% CI)*
Sex
Women	2687 (76)	20.4	1.00
Men	828 (24)	21.7	1.06 (0.73–1.55)
Socioeconomic status
Higher non-manual	799 (23)	20.0	1.00
Lower non-manual	1843 (52)	22.0	1.15 (0.77–1.72)
Manual workers	871 (25)	18.6	0.92 (0.58–1.46)
Marital status
Married	2638 (76)	20.7	1.00
Not married	822 (24)	21.8	1.07 (0.73–1.56)
Type of job contract
Permanent	3190 (93)	20.2	1.00
Temporary	246 (7)	25.2	1.23 (0.65–2.33)
Type of employer
Municipality	2238 (64)	19.7	1.00
Hospital	1277 (36)	22.4	1.13 (0.80–1.59)
Geographical area
Southern Finland	1919 (55)	20.7	1.00
Middle Finland	869 (25)	16.2	0.74 (0.50–1.10)
Northern Finland	727 (21)	26.0	1.20 (0.79–1.83)
Smoking
No	2919 (86)	21.0	1.00
Yes	481 (14)	21.2	1.00 (0.63–1.60)
BMI ≥30
No	2367 (70)	24.2	1.00
Yes	1034 (30)	12.4	0.51 (0.36–0.72)
Heavy alcohol use
No	3097 (89)	21.4	1.00
Yes	398 (11)	15.1	0.68 (0.41–1.13)
Physical inactivity
No	2251 (65)	22.7	1.00
Yes	1228 (35)	17.4	0.75 (0.53–1.04)
Co-morbid physical illness†
No	3029 (86)	21.9	1.00
Yes	486 (14)	13.3	0.59 (0.37–0.94)
Co-morbid depression
No	2804 (80)	19.8	1.00
Yes	711 (20)	24.3	1.24 (0.84–1.85)
Age (years, mean, SD)	53.9 (6.6)		0.86 (0.77–0.96)**
Duration of hypertension (years, mean, SD)	9.0 (6.3)		1.07 (0.94–1.22)**

RR; rate ratio, CI; confidence interval, SD; standard deviation.

*Adjusted for age and survey year.

**per 5-year increase.

^†Diabetes mellitus, coronary insufficiency, coronary heart disease, cardiac arrhythmias, cerebrovascular disease.