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. 2008 Dec 8;5(4):230–242. doi: 10.3390/ijerph5040230

Table 3.

Regression Analyses for Hypothesized Prediction: Preparation Stage.

Covariate R2 Multiple R2 β sr2 p-value
Step 1
  Gender		 0.2740 0.2740 3.94 0.99 <0.0002
Step 2
  Pack-years		 0.1253 0.3993 0.072 0.02 <0.0006
Step 3
  Smoke Quit Attempt		 0.05 0.45 −0.08 0.04 <0.029

Note. n = 55. β = standardized beta weight; Smoke Quit Attempt, Lifetime Quit Attempts.