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Table 3 Socioeconomic, workplace and health-related factors associated with survey response among under 40-year-old employees of the City of Helsinki, Finland in 2017 (rate ratios, RR, and their 95% confidence intervals, 95% CI)

From: Factors associated with health survey response among young employees: a register-based study using online, mailed and telephone interview data collection methods

 Model 1 (bivariate associations)Model 2 (all sociodemographic variables adjusted for)Model 3 (Model 2 and sickness absence adjusted for)
RR (95% CI)RR (95% CI)RR (95% CI)
Sex
 Women1.01.01.0
 Men0.91 (0.87, 0.95)0.92 (0.88, 0.96)0.91 (0.87, 0.96)
Age
 18–24 years1.01.01.0
 25–29 years1.23 (1.13, 1.34)1.11 (1.02, 1.21)1.11 (1.02, 1.21)
 30–34 years1.25 (1.16, 1.36)1.09 (1.00, 1.19)1.10 (1.01, 1.20)
 35–39 years1.28 (1.18, 1.39)1.11 (1.01, 1.21)1.11 (1.02, 1.21)
Occupational class
 Managers and professionals1.01.01.0
 Semi-professionals1.01 (0.97, 1.05)1.11 (1.04, 1.18)1.11 (1.04, 1.18)
 Routine non-manuals0.80 (0.76, 0.83)1.02 (0.94, 1.10)1.01 (0.94, 1.10)
 Manual workers0.65 (0.60, 0.71)0.74 (0.67, 0.83)0.74 (0.67, 0.83)
Income
 Highest quartile1.01.01.0
 3rd0.96 (0.92, 1.01)0.88 (0.83, 0.94)0.88 (0.83, 0.94)
 2nd0.79 (0.75, 0.83)0.80 (0.74, 0.86)0.79 (0.73, 0.86)
 Lowest quartile0.74 (0.70, 0.78)0.75 (0.69, 0.82)0.75 (0.69, 0.82)
Employment sector
 Social and health care1.01.01.0
 Education0.99 (0.95, 1.03)0.93 (0.88, 0.97)0.92 (0.88, 0.97)
 Other0.98 (0.94, 1.03)1.08 (1.02, 1.14)1.08 (1.02, 1.14)
Contract type
 Permanent1.01.01.0
 Temporary0.99 (0.95, 1.03)0.98 (0.93, 1.02)0.97 (0.93, 1.01)
Job type
 Full time1.01.01.0
 Part-time0.92 (0.86, 0.97)1.11 (1.03, 1.19)1.11 (1.03, 1.19)
Work arrangement
 Day time1.01.01.0
 Shift work0.90 (0.86, 0.94)0.90 (0.85, 0.95)0.90 (0.86, 0.95)
 Undetermined0.92 (0.69, 1.23)0.73 (0.54, 0.99)0.74 (0.55, 1.01)
Years employed by the City of Helsinki*
 less than 1 year1.01.01.0
 1–5 years1.07 (1.01, 1.13)1.00 (0.95, 1.07)1.01 (0.95, 1.07)
 more than 5 years1.05 (0.99, 1.11)0.95 (0.89, 1.01)0.96 (0.90, 1.02)
 unknown0.79 (0.58, 1.06)0.84 (0.62, 1.13)0.86 (0.64, 1.16)
Sickness absence (6 months before the data collection)
 No sick leave spells1.0 1.0
 From 1 to 3 days1.09 (1.04, 1.14) 1.08 (1.04, 1.13)
 From 4 to 14 days1.00 (0.95, 1.05) 1.03 (0.98, 1.08)
 15 days or more0.88 (0.81, 0.95) 0.96 (0.89, 1.03)
Sickness absence (during the data collection = 18 Sep–31 Oct 2017)
 No sick leave spells1.0 1.0
 From 1 to 3 days1.05 (1.00, 1.09) 1.05 (1.00, 1.09)
 From 4 to 14 days1.02 (0.96, 1.08) 1.09 (1.03, 1.16)
 15 days or more0.70 (0.60, 0.83) 0.75 (0.64, 0.88)
  1. *computed from the date when the job contract began and the date when data were made
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