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Table 7 Associations between independent types of acute critical life events and the speed of onset for the current depressive episode: Interaction effects with gender and presence of prior depressive episodes

From: Association between acute critical life events and the speed of onset of depressive episodes in male and female depressed patients

Step Added variables R2 R2CHANGE FCHANGE(DF) PCHANGE
Interaction effects with gender (males/females)
 Model 1: Major acute life events and gender
  1 Major acute life events 0.007 0.007 0.705 (1,98) 0.403
  2 Gender 0.062 0.055 5.668 (1,97) 0.019
  3 Gender x Major acute life events 0.063 0.001 0.145 (1,96) 0.705
 Model 2: Minor acute life events and gender
  1 Minor acute life events 0.053 0.053 5.450 (1,98) 0.022
  2 Gender 0.088 0.035 3.750 (1,97) 0.056
  3 Gender x Minor acute life events 0.095 0.007 0.782 (1,96) 0.379
 Model 3: Neutral acute life events and gender
  1 Neutral acute life events 0.003 0.003 0.274 (1,98) 0.602
  2 Gender 0.058 0.056 5.735 (1,97) 0.019
  3 Gender x Neutral acute life events 0.059 0.00007 0.007 (1,96) 0.931
Interaction effects with the presence of prior depressive episodes (PPDE) (yes/no)
 Model 1: Major acute life events and PPDE
  1 Major acute life events 0.007 0.007 0.705 (1,98) 0.403
  2 PPDE 0.025 0.018 1.791 (1,97) 0.184
  3 PPDE x Major acute life events 0.029 0.004 0.417 (1,96) 0.520
 Model 2: Minor acute life events and PPDE
  1 Minor acute life events 0.053 0.053 5.450 (1,98) 0.022
  2 PPDE 0.073 0.020 2.131 (1,97) 0.148
  3 PPDE x Minor acute life events 0.073 0.00003 0.003 (1,96) 0.956
 Model 3: Neutral acute life events and PPDE
  1 Neutral acute life events 0.003 0.003 0.274 (1,98) 0.602
  2 PPDE 0.023 0.020 2.006 (1,97) 0.160
  3 PPDE x Neutral acute life events 0.037 0.014 1.406 (1,96) 0,239
  1. Notes: R2 = proportion of explained variance; df = degree of freedom
  2. In all regression analyses, the criterion was the speed of onset for the current depressive episode (in days)
  3. No result was significant at the alpha-adjusted significance level (α = 0.017)