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Table 2 Descriptives of study variables in the first assessment and in the whole study period, SATSA

From: Protein epigenetic scores and overall mortality in the longitudinal Swedish Adoption/Twin Study of Aging (SATSA)

 

First assessment (n = 374)

Whole period (all measurements, n = 947)

Age (years)—Mean (SD)

68.6 (9.8)

71.9 (9. 4)

Sex—n (%)

Men

146 (39.0%)

376 (39.7%)

Women

228 (61.0%)

571 (60.3%)

Education—n (%)

Elementary school

189 (50.5%)

459 (48.5%)

0-level of vocational school or folk high school

123 (32.9%)

321 (33.9%)

Gymnasium

27 (7.2%)

71 (7.5%)

University or higher

35 (9.4%)

96 (10.1%)

Socio-economic classification

Unskilled and semiskilled workers

109 (29.1%)

278 (29.4%)

Skilled workers

37 (9.9%)

101 (10.7%)

Assistant non-manual employees

71 (19.0%)

198 (20.9%)

Intermediate non-manual employees

56 (15.0%)

144 (15.2%)

Employed and self-employed professionals (higher civil servants and executives)

23 (6.1%)

64 (6.8%)

Self-employed (other than professionals)

21 (5.6%)

43 (4.5%)

Housewife (or male equivalent)

51 (13.6%)

101 (10.7%)

Housewife with a temporary job

6 (1.6%)

18 (1.9%)

Smoking status—n (%)

Current smoker

62 (16.6%)

136 (14.4%)

Ex-smoker

11 (2.9%)

28 (3.0%)

Non-smoker

301 (80.5%)

783 (82.7%)

Body Mass Index (kg/m2)—Mean (SD)

26.0 (4.1)

26.3 (4.2)

Follow-up time (years)—Mean (SD)

16.9 (8.0)

In-person tests—Mean (SD)

2.1 (1.1)

  1. SATSA, Swedish Adoption/Twin Study of Aging. Age (time scale), smoking status and body mass index were time-varying covariates