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. 2019 Mar 23;9(3):e025621. doi: 10.1136/bmjopen-2018-025621

Table 5.

Summary statistics for comparisons between women and men on overall IPV victimisation and impact

Item Lifetime Ages 18–21
Women Men Women Men
N M (SD) or N (%) N M (SD) or N (%) t(df) or χ2 P value N M (SD) or N (%) N M (SD) or N (%) t(df) or χ2 P value
Mean frequency of IPV experiences (SD) 2128 0.28 (0.50) 1145 0.12 (0.25) 12.61 (3252.18) <0.001 2128 0.19 (0.39) 1145 0.10 (0.24) 7.58 (3219.11) <0.001
Mean no of IPV acts experienced (SD) 2024 1.41 (2.19) 1096 0.60 (1.22) 13.16 (3115.22) <0.001 2014 0.75 (1.47) 1092 0.42 (0.97) 7.55 (2996.44) <0.001
Any IPV (N, %) 2128 884 (41.54) 1145 330 (28.82) 51.62 <0.001 2128 683 (32.10) 1145 275 (24.02) 23.47 <0.001
Any IPV with a negative impact (N, %) 2126 788 (37.06) 1144 236 (20.63) 93.41 <0.001 2126 608 (28.60) 1145 200 (17.47) 49.57 <0.001
Mean no of negative impacts of IPV (SD) 800 4.39 (2.27) 292 2.73 (2.21) 10.75 (1090) <0.001 746 3.21 (2.72) 279 2.24 (2.24) 5.77 (602.84) <0.001

All t-tests were two-group t-tests with unequal variances, apart from ‘number of negative impacts of IPV’ for the overall sample, which did not have unequal variances between men and women (ie, Levene’s test was statistically non-significant).

IPV, intimate partner violence.