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. 2015 Dec;29(12):1236–1247. doi: 10.1177/0269881115612404

Table 2.

Descriptive statistics and sex differences for self-reported stress, anxiety and depression, and weekly caffeine intake as calculated from the DABS.

Overall
Males
Females
Sex difference
N M SD N M SD N M SD t df p
Mental health Stress 2249 2.88 1.08 984 2.67 1.07 1060 3.08 1.05 −8.7 2024.191 < .001
Anxiety 2239 2.43 1.05 979 2.16 1 1058 2.66 1.05 −10.89 2033.779 < .001
Depression 2237 2.17 1.15 980 1.97 1.06 1054 2.34 1.19 −7.411 2028.44 < .001
Caffeine intake (mg/w) Total 2200 421.77 550 963 467.34 557.01 1033 364.99 512.84 4.262 1948.766 < .001
Energy drinks 2254 123.74 246.99 989 158.69 270.54 1055 89.51 223.12 6.284 1918.455 < .001
Cola 2253 36.7 55.52 991 41.45 60.31 1053 32 49.49 3.857 1917.632 < .001
Coffee 2265 113.77 322.51 996 130.6 348.42 1061 92.97 278.13 2.696 1902.424 .007
Tea 2267 152.32 261.65 996 142.49 241.87 1063 155.6 266.93 −1.165 2057 .244