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Table 3 Behavioural and dietary measures of women (including changes over time) in each study arm (ITT and PP analyses)

From: Evaluation of the 'healthy start to pregnancy' early antenatal health promotion workshop: a randomized controlled trial

Health behaviors Analysis Baseline difference (HSP - UC) HSP 1 (n) HSP 2 (n) HSP mean difference over time Usual care 1 (n) Usual care 2 (n) UC mean difference over time Between group difference, time 2: HSP - UC (95%CI)
Mean serves of fruit per day (± SD) ITT p = 0.60 1.9 ± 1.2 (176) 2.2 ± 1.1 (112) 0.3 ± 1.0 (112) 1.8 ± 1.2 (182) 1.9 ± 1.1 (126) 0.2 ± 0.9 (128) +0.2 (−0.1-0.4), p= 0.14
  PP* - 2.0 ± 1.0 (87) 2.4 ± 1.0 (72) 0.4 ± 1.0 (72) 1.8 ± 1.2 (271) 1.9 ± 1.1 (168) 0.1 ± 0.9 (168) +0.4 (0.1-0.6), p = 0 . 004
Serves of vegetables per day (± SD) ITT p = 0.24 2.5 ± 1.3 (177) 2.9 ± 1.3 (112) 0.4 ± 1.1 (112) 2.3 ± 1.3 (182) 2.5 ± 1.3 (129) 0.2 ± 1.1 (129) +0.2 (−0.1 - 0.5), p = 0.11
  PP* - 2.7 ± 1.4 (87) 3.3 ± 1.3 (72) 0.6 ± 1.1 (72) 2.3 ± 1.2 (272) 2.4 ±1.2 (169) 0.2 ± 1.0 (169) +0.4 (0.1-0.7), p = 0 . 006
Diet quality – Fat score (± SD) ITT p = 0.61 3.3 ± 0.5 (174) 3.4 ± 0.5 (109) 0.1 ± 0.4 (108) 3.3 ± 0.5 (180) 3.4 ± 0.5 (126) 0.1 ± 0.3 (126) −0.02 (−0.07-0.1), p = 0.68
  PP* - 3.3 ± 0.5 (86) 3.4 ± 0.4 (69) 0.1 ± 0.3 (69) 3.3 ± 0.5 (268) 3.3 ± 0.5 (166) 0.04 ± 0.3 (165) 0.09 (0.003 - 0.2), p = 0 . 049
Diet quality – Fibre score (± SD) ITT p = 0.64 2.8 ± 0.7 (174) 2.9 ± 0.6 (109) 0.1 ± 0.3 (108) 2.7 ± 0.7 (180) 2.8± 0.7 (126) 0.1 ± 0.4 (126) 0.06 (−0.04-0.2), p = 0.24
  PP - 2.9 ± 0.6 (86) 3.0 ± 0.6 (69) 0.1 ± 0.4 (69) 2.7 ± 0.7 (268) 2.8 ± 0.7 (166) 0.06 ± 0.4 (165) 0.07 (−0.05 - 0.2), p = 0.25
Diet quality – Total score (± SD) ITT p = 0.89 3.1 ± 0.5 (174) 3.2 ± 0.5 (109) 0.1 ± 0.3 (108) 3.1 ± 0.5 (180) 3.2 ± 0.4 (126) 0.1 ± 0.3 0.04 (−0.03 - 0.1), p = 0.31
  PP* - 2.1 ± 0.5 (86) 2.5 ± 0.4 (69) 0.1 ± 0.3 (69) 1.5 ± 0.4 (268) 2.1 ± 0.4 (166) 0.05 ± 0.3 (165) 0.09 (0.009 - 0.2), p = 0 . 027
Weekly minutes of physical activity (Median; IQR) ITT p = 0.33 150 (45,270) (177) 190 (100 , 330) (110) 11.2 ± 196.3 (109) 150 (60, 300) (182) 130 (60, 279) (127) −15.8 ± 214.8 (127) +27.0 (−26.1 - 80.1), p = 0 . 32
  PP - 180 (90, 300) (87) 230 (120, 330) (165) +11.5 ± 195.5 (71) 150 (40, 300) (272) 130 (60, 277) (72) −9.7 ± 211.3 (165) +21.3 (−36.5 -79.1), p = 0 . 47
Intention to breastfeed (Median; IQR) ITT p= 0.30 14 (10,16) (172) 15 (12.5, 16) (118) 0.8 ± 3.1 (99) 13.5 (10, 15.5) (168) 15 (12,16) (105) 0.9 ± 2.3 (114) −0.06 (−0.8 - 0.7), p = 0.88
  PP - 14.8 (12,16) (82) 15.5 (13,16) (69) 0.7 ± 2.8 (65) 13.5 (10, 15.5) (258) 14.7 (11.5, 16) (154) 0.9 ± 2.7 (148) −0.3 ( −1.1 - 0.5), p = 0.43
  1. * significant difference between groups over time; Differences were examined with independent group t-tests (for normally distributed variables) and Mann U Whitney tests (for baseline non-parametric variables).