Table 2.
Descriptive Statistics of Rumination and Executive Function Measures by Sex
| Measure | n | Mean | SD | Min | Max | Skewnessa | Kurtosisa | Reliability |
|---|---|---|---|---|---|---|---|---|
| Males | ||||||||
| RRS–B | 350 | 1.88 | 0.57 | 1.00 | 4.00 | 0.53 | 0.13 | .78b |
| RRS–R | 350 | 1.95 | 0.67 | 1.00 | 4.00 | 0.28 | −0.82 | .81b |
| RRQ–Ru | 349 | 2.69 | 0.71 | 1.18 | 4.92 | 0.26 | −0.17 | .83b |
| ARS–AM | 350 | 1.58 | 0.52 | 1.00 | 4.00 | 0.32 | −0.76 | .83b |
| ARS–TR | 350 | 1.44 | 0.47 | 1.00 | 3.50 | 0.78 | −0.02 | .71b |
| ARS–AA | 350 | 1.53 | 0.53 | 1.00 | 3.67 | 0.47 | −0.81 | .86b |
| ARS–UC | 349 | 1.78 | 0.53 | 1.00 | 3.50 | −0.07 | −0.75 | .68b |
| Anti | 348 | 66.91 % | 16.00 | 24.07 | 96.30 | −0.38 | −0.60 | .91b |
| Stop | 344 | 213 ms | 31 | 116 | 286 | 0.41 | 0.29 | .55b |
| Stroop | 341 | 157 ms | 77 | −73 | 387 | −0.58 | 0.47 | .96c |
| Keep | 349 | 71.61 % | 9.87 | 44.12 | 96.43 | −0.39 | −0.04 | .73b |
| Letter | 349 | 69.87 % | 14.10 | 37.88 | 100.00 | 0.28 | −0.77 | .93b |
| Sback | 349 | 0.07 | 0.94 | −2.52 | 2.70 | −0.35 | 0.12 | .77c |
| Num | 348 | 246 ms | 166 | −73 | 735 | −1.02 | 0.83 | .92c |
| Col | 343 | 238 ms | 189 | −212 | 792 | −1.02 | 0.87 | .92c |
| Cat | 348 | 183 ms | 154 | −81 | 735 | −1.18 | 1.61 | .95c |
| Females | ||||||||
| RRS–B | 400 | 2.05 | 0.64 | 1.00 | 4.00 | 0.52 | −0.24 | .82b |
| RRS–R | 401 | 2.13 | 0.70 | 1.00 | 4.00 | 0.33 | −0.53 | .80b |
| RRQ–Ru | 400 | 2.93 | 0.76 | 1.00 | 5.00 | 0.33 | −0.11 | .85b |
| ARS–AM | 401 | 1.59 | 0.57 | 1.00 | 4.00 | 0.51 | −0.47 | .85b |
| ARS–TR | 400 | 1.32 | 0.38 | 1.00 | 3.50 | 1.26 | 1.88 | .65b |
| ARS–AA | 400 | 1.54 | 0.56 | 1.00 | 3.83 | 0.65 | −0.33 | .87b |
| ARS–UC | 399 | 1.80 | 0.58 | 1.00 | 4.00 | 0.08 | −0.52 | .77b |
| Anti | 400 | 58.31 % | 15.07 | 20.37 | 90.74 | –0.01 | −0.51 | .87b |
| Stop | 391 | 217 ms | 29 | 127 | 315 | 0.02 | 0.03 | .68b |
| Stroop | 396 | 155 ms | 71 | –1 | 387 | –0.84 | 0.93 | .96c |
| Keep | 400 | 71.82 % | 8.42 | 44.12 | 94.64 | –0.28 | 0.12 | .58b |
| Letter | 400 | 69.79 % | 12.49 | 37.88 | 100.00 | 0.13 | −0.54 | .91b |
| Sback | 400 | −0.08 | 0.87 | −2.74 | 1.92 | –0.31 | −0.21 | .76c |
| Num | 400 | 246 ms | 148 | −241 | 735 | –0.76 | 0.88 | .89c |
| Col | 400 | 206 ms | 174 | −239 | 792 | –1.05 | 1.44 | .88c |
| Cat | 399 | 210 ms | 165 | −37 | 735 | –1.10 | 1.00 | .94c |
Note. RRS-B=Ruminative Responses Scale-Brooding, RRS-R=Ruminative Responses Scale-Reflection, RRQ-Ru=Rumination-Reflection Questionnaire-Rumination, ARS=Anger Rumination Scale; ARS-AM= Angry memories, ARS-TR= Thoughts of Revenge, ARS-AA=Angry Afterthoughts, ARS-UC=Understanding Causes, Anti=antisaccade, Stop=stop-signal, keep=keep track, Letter=letter memory, Sback=average of z-scores for spatial 2-back and 3-back tasks, Num=number–letter, Col=color–shape, Cat=category-switch, SD=standard deviation.
Skewness and kurtosis were calculated on log-transformed scores for the ARS scales.
Cronbach’s alpha.
Split-half correlations adjusted with the Spearman-Brown prophecy formula.