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. 2016 Jun 2;11(6):e0156397. doi: 10.1371/journal.pone.0156397

Table 5. Impact of PFL on emotional and behavioral functioning—Treatment effects by gender.

Boysa Girlsb
CBCL Cutoff Scores Log.p-value1 IPW adj. Log.p-value2 Perm p-value3 IPW adj. perm p-value4 ES Log. p-value1 IPW adj. Log. p-value2 Perm. p-value3 IPW adj. perm p-value4 ES
Internalizing Problems Cutoff 0.207 0.173 0.268 0.208 0.15 0.412 0.335 0.388 0.443 0.09
Externalizing Problems Cutoff 0.058 0.071 0.078 0.098 0.24 0.245 0.367 0.254 0.254 0.12
Total Problems Cutoff 0.005** 0.023** 0.005** 0.001** 0.33 0.492 0.325 0.447 0.083 0.07

Note:

a n = 70 (intervention 41; control 29),

b N = 94 (intervention 40; control 54).

Perm = permutation test. ‘ES’ = Cramer’s Phi effect size.

1 two-tailed p-value from a logistic regression. For boys Total Problems cutoff a LPM model was fitted rather than a logistic regression as treatment status was a perfect predictor of being in the cutoff category.

2 two-tailed p-value from a logistic regression (again a LPM model was used for boys Total Problems cutoff) applying inverse probability weights.

3 two-tailed p-value from a permutation test with 100,000 replications.

4 two-tailed p-value from a permutation test with 100,000 replications applying inverse probability weights.

* p <.05,

** p <.01 level.