Table 1

Descriptive baseline characteristics of group no/short sickness absence (employees with no sickness absence/absence of 1–7 days), sickness absence of 8–29 days, sickness absence of 1–3 months (30–89 days), sickness absence of 3–6 months (90–179 days), and sickness absence of at least 6 months (180 days and more) for employees who indicated having visited the OP and/or GP in relation to work during the past 4 months at baseline (total n=1271)

Sickness absence
VariableNo/short sickness absence (n=488) Frequency/mean (SD)8–29 days (n=326) Frequency/mean (SD)1–3 months (n=250) Frequency/mean (SD)3–6 months (n=131) Frequency/mean (SD)⩾6 months (n=76) Frequency/mean (SD)
*p<0.05 difference compared to score in group NO/SHORT SICKNESS ABSENCE;
**p<0.01 difference compared to score in group NO/SHORT SICKNESS ABSENCE;
***p<0.001 difference compared to score in group NO/SHORT SICKNESS ABSENCE.
GHQ = 12 item General Health Questionnaire; CIS = Checklist Individual Strength; JCQ = Job Content Questionnaire.
Demographic
    Gender: % male76.8%78.5%68.4%*74.8%64.9%*
    Age (y)41.0 (9.6)40.2 (9.0)40.4 (9.3)40.4 (9.9)42.1 (10.1)
    Highest level of education
        Low28.2%29.5%33.8%36.0%33.8%
        Medium46.1%51.4%55.0%52.8%47.9%
        High25.6%19.0%11.3%***11.2%**18.3%
Indicators of health problems
    Presence of at least one long term disease (% yes)36.5%37.1%47.6%**55.0%***61.8%***
    Likeliness of mental illness; GHQ-Likert total score26.3 (6.7)26.0 (6.4)26.8 (6.9)26.2 (5.9)28.9 (7.4)**
    Fatigue; CIS total score68.5 (24.2)69.7 (24.4)69.2 (24.2)70.5 (23.9)82.2 (24.0)***
Psychosocial work environment
    JCQ total score per scale
        Job demands34.6 (6.2)34.6 (5.8)35.1 (6.0)35.2 (6.3)35.9 (6.5)
        Decision latitude69.8 (12.6)66.7 (12.3)**65.6 (13.2)***64.5 (12.4)***62.7 (11.7)***
        Social support21.8 (3.6)21.4 (3.4)21.2 (3.5)*20.9 (3.9)*20.7 (3.7)**
    Low job satisfaction17.0%20.2%25.5%**27.9%**32.0%**