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Table 2 Baseline characteristics of the control, phone and internet group, and of all participants

From: Economic evaluation of a weight control program with e-mail and telephone counseling among overweight employees: a randomized controlled trial

  Control n=460 Phone n=462 Internet n=464 All n=1386
Male, n (%) 306 (66.5) 321 (69.5) 302 (65.1) 929 (67.0)
Age (years) 43.2 (8.7) 43.2 (8.8) 43.4 (8.4) 43.3 (8.6)
Body weight (kg) 92.8 (13.6) 93.3 (14.1) 92.7 (14.3) 92.9 (14.0)
Body Mass Index (kg/m2) 29.6 (3.7) 29.5 (3.5) 29.6 (3.4) 29.6 (3.5)
Health utilitya, b 0.908 (0.136) 0.917 (0.129) 0.915 (0.117) 0.913 (0.128)
Sick leave in previous 3 months (days) c 1.9 (6.0) 3.4 (11.1) 2.6 (9.6) 2.7 (9.2)
 0 days, n (%) 267 (63.1) 291 (62.5) 315 (70.6) 873 (66.4)
 1 – 7 days, n (%) 130 (30.7) 114 (25.6) 95 (21.3) 339 (25.8)
 8 – 30 days, n (%) 24 (5.7) 28 (6.3) 28 (6.3) 80 (6.1)
 > 30 days, n (%) 2 (0.5) 13 (2.9) 8 (1.8) 23 (1.7)
  1. Values are mean (SD), unless otherwise mentioned.
  2. a n=1261; b Health utilities are expressed on a scale from 0 (death) to 1 (perfect health); c n=1315.