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. 2015 Apr 22;10(4):e0123161. doi: 10.1371/journal.pone.0123161

Table 3. Linear regression coefficients (95% confidence interval) of the physical and mental components of the SF-12 in 2012–13 by chocolate consumption categories.

Chocolate consumption (g/day) n Physical component summary Mental component summary
Total participants
No consumption 3327 1.00 (Ref.) 1.00 (Ref.)
≤ 10 g/day 479 -0.07 (-0.94 to 0.80) 0.29 (-0.67 to 1.26)
> 10 g/day 793 0.02 (-0.71 to 0.75) -0.57 (-1.37 to 0.23)
p for trend 0.87 0.32
Men
No consumption 1734 1.00 (Ref.) 1.00 (Ref.)
≤ 10 g/day 193 -0.06 (-1.35 to 1.22) -0.17 (-1.53 to 1.19)
> 10 g/day 335 0.001 (-1.04 to 1.04) 0.27 (-0.82 to 1.37)
p for trend 0.98 0.70
Women
No consumption 1593 1.00 (Ref.) 1.00 (Ref.)
≤ 10 g/day 286 0.006 (-1.20 to 1.21) 0.95 (-0.43 to 2.32)
> 10 g/day 458 0.09 (-0.93 to 1.11) -0.83 (-2.01 to 0.34)
p for trend 0.87 0.32

*p <0,05;

** p <0,01.

Model adjusted for sex, age (18–44,45–64,65 and over), educational level (no formal or primary education; secondary education; university), tobacco consumption (never smokers, former smokers, current smokers), alcohol consumption g/day (quartiles), body mass index kg/m2 (quartiles), abdominal obesity (yes/no), leisure time physical activity METs-h/week (quartiles), time spent watching television h/week (quartiles), adherence to the Mediterranean diet (low adherence 0–2 points, medium adherence 3–5 points, high adherence 6–8 points), total energy kcal/day (quartiles), prevalent diseases (coronary heart disease, stroke, cancer and depression), incident diseases (coronary heart disease, stroke, cancer and depression), physical or mental component summaries at baseline, as appropriate.