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Table 2 Socio-demographic and lifestyle characteristics of the intervention and control condition at baseline (N = 200)

From: Addressing sickness absence among adolescents and young adults: an evaluation of the Medical Advice for Sick-reported Students intervention

  Total Intervention condition Control Condition p-value
N = 200 n = 81 n = 119
Socio-demographic characteristics
 Age in years, mean (SD) [0] 18.6 (2.0) 18.6 (2.1) 18.6 (2.0) .941
 Female gender, n (%) [0] 157 (78.5) 60 (74.1) 97 (81.5) .209
 Intermediate vocational education level 4, n (%)a [8] 153 (79.7) 56 (70.9) 97 (85.8) .011
 Dutch ethnic background, n (%) [4] 152 (77.6) 61 (77.2) 91 (77.8) .926
 Living at home with caretaker, n (%) [1] 177 (88.9) 71 (88.8) 106 (89.1) .943
Lifestyle characteristics
 Current smoking, n (%) [9] 50 (26.2) 24 (30.0) 26 (23.4) .308
 Binge drinking in past 4 weeks, n (%)b [7] 86 (44.6) 39 (48.8) 47 (41.6) .324
 Cannabis use in past 4 weeks, n (%) [10] 29 (15.3) 12 (15.0) 17 (15.5) .931
  1. [number of missing answers]. Bold numbers indicate statistical significance (p < 0.05) between the intervention condition and the control condition, calculated using an independent-samples t-test (continuous variables) or a chi-square test (categorical variables)
  2. aIntermediate vocational education consists of four levels: level 1 assistant training; level 2 basic vocational training; level 3 vocational training; level 4 middle-management training. Level 4 is considered the highest level
  3. bBinge drinking was defined as consuming 5 or more alcoholic drinks on one occasion