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Table 3 Process outcomes: outcome completion rates and intervention attendance

From: The effectiveness of smoking cessation interventions for socio-economically disadvantaged women: a systematic review and meta-analysis

  No. of women randomised (% total randomised) No. of women randomised to intervention (% women randomised) No. of women randomised to control (% women randomised) No. of women who completed intervention (% randomised to intervention) No. of women who completed control (% randomised to control) No. of intervention women who completed 1st follow-up (% randomised to intervention) No. of control women who completed 1st follow-up (% randomised to control) No. of intervention women who completed subsequent follow-up (% randomised to intervention) No. of control women who completed subsequent follow-up (% randomised to control) Number of intervention sessions offered Number of intervention sessions attended
Andrews et al. 2016 [48] 409 (100) 200 (48.9) 209 (51.1) 189 (94.5) 192 (91.9) 12 months: 185 (92.5) 12 months: 188 (89.95) NA NA - 16 planned community health worker (CHW) visits
- 6 behavioural group sessions
- Mean visits/participants: 11.2 of 16
- Mean group sessions attended: 4 of 6
- 133 used nicotine patch for average of 2.8 weeks.
Bernstein et al. 2015 [47] 407 (52.2) 218 (53.6) 189 (46.4) No female-only data No female-only data No female-only data No female-only data No female-only data No female-only data No female-only data No female-only data
Collins et al. 2019 [49] 300 (100) 145 (48.3) 155 (51.7) 105 (72.4) 124 (80) NA NA NA NA - 10 (2 home visits, seven phone sessions, and one quit day phone session if mother set a quit day) - 104 (71.7%) completed 8–10 sessions
- 16 (11%) completed 5–7 sessions
- 9 (6.3%) completed 2–4 sessions
- 16 (11%) completed 1 session
Curry et al. 2003 [50] 303 (100) 156 (51.5) 147 (48.5) 120 (76.9) 121 (82.3) 12 months: 121 (77.5) 12 months: 123 (83.7) NA NA - 1 motivational message with physician
- 1 motivational interview with nurse
- Up to 3 telephone calls
- 68% discussed smoking with child’s physician
- 74% received motivational interview with nurse
- 78% received at least one telephone call
Etter et al. 2016 [51] 415 (51.4) 189 (45.5) 226 (54.5%) No female-only data No female-only data No female-only data No female-only data No female-only data No female-only data No female-only data No female-only data
Gilbert et al. 2017 [46]a 1075 (24.5) 633 (58.9) 442 (41.1) 466 (73.6) 332 (75.1) NA NA NA NA - Invitation to Taster session run by Stop Smoking Services
- Attended SSS sessions (6 in total)
- 137/633 (21.6%) attended 1 Taster session
- 69/633 (10.9%) attend 6 sessions
Glasgow et al. 2000 [52] 1154 (100) 578 (50.1) 576 (49.9) 536 (92.7) 536 (93.1) 6 months: 502 (86.9) 6 months: 531 (92.2) NA NA - Video
- Counselling
- Provider advice
- Telephone calls
- 85% saw video
- 92% received counselling
- 95% received provider advice
- 42% received one call or more; 11% received two or more calls
Haas et al. 2015 [53] 482 (68.2) 271 (67.9) 211 (68.5) No female-only data No female-only data No female-only data No female-only data No female-only data No female-only data No female-only data No female-only data
Manfredi et al. 2004 [54] 1068 (100) 527 (49.3) 541 (50.7) 456 (86.5) 506 (93.5) 6 months: 392 (74.4) 6 months: 470 (86.9) 12 months:
293 (55.6)
18 months:
226 (42.9)
12 months: 361 (66.7)
18 months:
285 (52.7)
Information unavailable Information unavailable
Solomon et al. 2000 [55] 214 (100) 106 (49.5) 108 (50.5) 101 (95) 92 (85) 6 months: 77 (73) 6 months: 79 (73) NA NA - Support calls
- NRT
- 97/101 (96%) reported use of NRT
- 96/101 (95%) received one or more support calls (mean of 7 calls over 3 months)
Solomon et al. 2005 [56] 330 (100) 171 (51.8) 159 (48.2) 161 (94.2) 147 (92.5) 6 months: 149 (87) 6 months: 138 (87) NA NA - Support calls
- NRT
- 157/161 (98%) reported used of NRT
- 158/161 (98%) received one or more support calls
  1. aWe report data on women living in high deprivation areas only rather than the total female sample