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. 2017 Jan 31;17:49. doi: 10.1186/s12884-017-1221-z

Table 4.

Comparison of charactertistics between women who reported unlikely vs women who reported undecided/likely to follow preterm birth prevention

Variablesa Progesterone Cerclage Pessary
Unlikely to follow recommendationb (n = 27) Undecided or likely to follow recommendationc (n = 220) p-valued Unlikely to follow recommendationb (n = 123) Undecided or likely to follow recommendationc (n = 122) p-valued Unlikely to follow recommendationb (n = 70) Undecided or likely to follow recommendationc (n = 174) p-valued
Pregnant Women’s Characteristics
Age 30 and over 13 (48.1) 146 (66.4) 0.09 78 (63.4) 81 (66.4) 0.59 41 (59.4) 117 (67.2) 0.30
European or White- Caucasian ethnicity (self-reported) 23 (85.2) 197 (90.8) 0.32 109 (88.6) 108 (90.8) 0.67 58 (84.1) 159 (92.4) 0.06
Post-secondary education 23 (85.2) 190 (86.8) 0.77 104 (84.6) 106 (87.6) 0.58 57 (82.6) 153 (87.9) 0.30
Married or in common-law relationship 22 (81.5) 212 (96.8) 0.005 116 (94.3) 116 (95.9) 0.77 65 (94.2) 167 (96.0) 0.51
Current Smokers 3 (11.1) 18 (8.2) 0.71 9 (7.3) 13 (10.7) 0.38 4 (5.8) 17 (9.8) 0.45
Primary Healthcare Provider
 Obstetrician 12 (44.4) 80 (36.4) 0.32 42 (34.2) 50 (41.0) 0.26 27 (38.6) 64 (38.8) 0.52
 Family physician 7 (25.9) 39 (17.7) 27 (22.0) 18 (14.8) 16 (22.9) 29 (16.7)
 Midwife 8 (29.6) 89 (40.4) 46 (37.4) 50 (41.0) 23 (32.9) 73 (42.0)
 Otherse 0 (0.0) 12 (5.4) 8 (6.5) 4 (3.3) 4 (5.7) 8 (4.6)
Obstetric History
 Prior full-term birth 13 (48.1) 107 (48.6) 0.13 58 (47.2) 60 (49.2) 0.84 32 (45.7) 86 (49.4) 0.46
 Prior preterm birth 2 (7.4) 17 (7.7) 0.67 6 (4.9) 12 (9.8) 0.21 3 (7.9) 15 (13.9) 0.40
 Prior use of preterm birth prevention 1 (50.0) 2 (11.8) 0.31 1 (16.7) 2 (16.7) 1.00 0 (0.0) 3 (20.0) 1.00
Current Pregnancy Characteristics
 Third trimester at point of survey completion 17 (63.0) 155 (70.8) 0.50 87 (71.3) 84 (68.8) 0.78 47 (67.1) 123 (71.1) 0.54
 Increased risk for preterm birth 1 (3.7) 9 (4.1) 1.00 2 (1.6) 7 (5.7) 0.10 0 (0.0) 9 (5.2) 0.06
Preterm Birth Prevention Preferences and Issues
 Preferred no prevention 20 (76.9) 137 (63.7) 0.20 96 (78.7) 61 (52.1) <0.0001 56 (80.0) 100 (59.5) 0.003
 Likely to have concerns about potential harm to
baby
27 (100.0) 213 (96.8) 1.00 118 (95.9) 118 (96.7) 1.00 66 (94.3) 165 (94.8) 1.00
 Likely to have concerns about potential harm to
mother
23 (85.2) 201 (91.4) 0.29 111 (90.2) 112 (91.2) 0.82 62 (88.6) 158 (90.8) 0.64
 Likely to have concerns about efficacy 25 (92.6) 196 (89.1) 0.75 112 (91.1) 111 (91.0) 1.00 60 (85.7) 158 (90.8) 0.26
 Likely to have concerns about cost 13 (48.2) 67 (30.4) 0.08

aData expressed as n (%) unless otherwise specified; b“Unlikely to follow recommendation” included women who selected not very likely or slightly unlikely to follow healthcare provider’s recommendation; c“Undecided or likely to follow recommendation” included women who selected neutral, slightly likely, or very likely to follow healthcare provider’s recommendation; dSignificance was assessed with independent t-test for continuous variables and chi-squared test or Fisher’s exact test for categorical variables; eOthers included Maternal-Foetal Medicine Specialists, Nurses, and Fertility Specialists