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. Author manuscript; available in PMC: 2021 Dec 1.
Published in final edited form as: Clin J Pain. 2020 Dec;36(12):897–906. doi: 10.1097/AJP.0000000000000882

Table 2.

Means and standard deviations for adolescent factors by FAP patient subgroup

Adolescent factors High Pain
Dysfunctional
(n = 109)
High Pain
Adaptive
(n = 114)
Low Pain
Adaptive
(n = 55)
F
(2, 273)
ηp2 Subgroup
comparisons
Psychological Distress
 Pain Catastrophizing 33.85 (8.98) 17.96 (8.03) 10.21 (6.23) 163.60 0.55 HPD > HPA > LPA
 Anxiety 59.19 (10.77) 50.37 (10.69) 41.45 (8.32) 43.02 0.24 HPD > HPA > LPA
 Depressive Symptoms 56.42 (12.50) 46.95 (10.26) 39.83 (6.91) 36.19 0.21 HPD > HPA > LPA
Impairment
 Sleep Disturbance 57.72 (10.70) 52.40 (10.37) 42.67 (7.94) 27.49 0.17 HPD > HPA > LPA
 Pain Interference 57.16 (7.24) 50.92 (6.79) 43.21 (5.82) 62.67 0.32 HPD > HPA > LPA
 School Absences (Past 3 Months) 7.84 (7.23) 6.30 (7.34) 4.88 (4.22) HPD > HPA > LPA
Adolescent Daily Diary F
(2, 264)
ηp2
 Number of days reporting pain 5.51 (1.92) 5.49 (1.73) 3.25 (1.98) 23.18 0.15 HPD & HPA > LPA
 Average daily pain intensity 5.64 (1.62) 4.70 (1.58) 3.29 (1.90) 29.84 0.18 HPD > HPA > LPA
 Functional impairment 7.28 (4.81) 5.09 (3.49) 2.14 (2.03) 24.24 0.15 HPD > HPA > LPA

Note. All f-tests were statistically significant at the p < .001 level. Subgroup comparisons indicate significant pairwise comparisons at the p < .05 level. Differences in school absences were tested with zero-inflated count models. See text for test statistics. Raw means are reported in tables. ANCOVA analyses included youth age and sex as covariates.