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Table 2 Results of hierarchical regression analyses for recurrent pain, unstandardized and standardized regression coefficients ( N =157)

From: Exploring salivary cortisol and recurrent pain in mid-adolescents living in two homes

  Recurrent pain
Predictor Step 1 Step 2 Step 3
B Beta B Beta B Beta
Sex -1.23 -.27** -1.23 -.27** -1.22 -.27**
School year .25 .06 .23 .06 .24 .06
Living arrangements    -.23 -.04 -.22 -.04
sex٭living arrangements      -.02 -.01
R2 adjusted   .07   .06   .08
R2 change   .08   .01   .00
  1. **p < .01.
  2. For recurrent pain, CIs (95%) for the third step were as follows: sex (-1.97/-.47), school year (-.43/.90), living arrangements (-1.30/.85), sex٭living arrangements (-1.92/1.87).
  3. Note: Sex: 0 = girls, 1 = boys; School year: grade 8 = 0; grade 9 = 1; Living arrangements: One home = 0, JPC = 1.