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. Author manuscript; available in PMC: 2019 Jun 1.
Published in final edited form as: Clin J Pain. 2018 Jun;34(6):497–504. doi: 10.1097/AJP.0000000000000570

Table 1.

Baseline Characteristics of the Study Groups

Control Group
n = 262
STOMP™
Group
n=254
Odds Ratio (95%
Confidence Limits),
p value

Female Sex 207 (79%) 193 (77%) 0.87 (0.57, 1.32), 0.509
Number of children
  1–2 children (vs. ≥ 3) 190 (73%) 174 (68%) 1.25 (0.85, 1.82), 0.288
Age youngest child 6.2 ± 5.0 5.7 ± 4.9 MD −0.51 (−1.4, 0.4), 0.25
    Oldest child age 10.7 ± 6.8 10.2 ± 6.4 MD −0.52 (−1.7, 0.6), 0.375
≤High school graduate 29 (11%) 27 (11%)
Some college 98 (37%) 74 (28%)
≥Bachelor’s degree (vs. all others) 134 (51%) 131 (52%) 1.02 (0.72, 1.44), 0.930
Medical professional with pharmacologic training 21 (8%) 23 (9%) 1.14 (0.61, 2.11), 0.682
Opioid familiarity 109 (42%) 105 (41%) 0.96 (0.69, 1.37), 0.835
PR Pref −0.345 ± 3.28 −0.357 ± 3.62 0.013a (−0.59, 0.61), 0.861b

Three-day Follow-up

Number who followed-up 155 (59%) 157 (62%) 1.11 (0.78, 1.57), 0.576
Female sex 119 (77%) 127 (81%) 1.33 (0.77, 2.30), 0.315
≥Bachelor’s degree (vs. all others) 87 (56%) 90 (57%) 1.05 (0.67, 1.64), 0.831
Medical professional with pharmacology training 16 (10%) 17 (11%) 1.05 (0.51, 2.17), 0.885
Number of children
  1–2 children (vs. ≥ 3) 41 (27%) 52 (33%) 1.37 (0.84, 2.22), 0.211
Age youngest child 6.4 ± 5.1 5.6 ± 4.9 MD −0.78 (−1.9, 0.34), 0.17
    Oldest child age 11.0 ± 7.0 10.0 ± 6.0 MD−1.00 (−2.5, 0.45), 0.176
Current analgesic use 58 (39%) 67 (44%) 1.09 (0.9, 1.31), 0.391
PR Pref −0.732 ± 3.61 −1.50 ± 3.42* 0.77a (−0.02, 1.55), 0.051b

PR Pref=Pain Relief Preference Score, where −12 reflects highest risk aversion, and +12 a high preference to relieve pain, and 0 reflects ambivalence;

a

Value is the mean difference;

b

Mann-Whitney U Test used to compare groups.