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. 2014 Oct 10;16(10):e231. doi: 10.2196/jmir.3534

Table 3.

Means (SDs) and results from ANOVA models for laboratory-assessed primary and secondary outcomes at baseline, 3 months, and 6 months in the intervention and control groups, for the per protocol analyses.

Variable and time Group, mean (SD) Effects for time Effects for time × group

Control
(n=47)a
Intervention
(n=45)b
F 1, 90 c P Partial η2 F 1, 90 c P Partial η2
Saturated fat (grams)

28.7 <.001 0.24 1.2 .23 0.01

Baseline 21.0 (8.9) 19.3 (8.9)






3 months 16.7 (8.0) 16.2 (7.3)






6 months 15.5 (6.4) 15.7 (9.6)





Added sugar (grams)

7.2 .009 0.07 0.1 .76 0.00

Baseline 46.7 (34.3) 42.3 (43.0)






3 months 35.8 (30.5) 30.4 (26.1)






6 months 37.2 (38.1) 30.4 (38.5)





Fruit and vegetables (cups)

0.3 .57 0.00 4.0 .048 0.04

Baseline 3.6 (1.4) 3.7 (1.7)






3 months 3.4 (1.7) 3.8 (1.7)






6 months 3.4 (1.5) 4.1 (1.6)





Alcohol (units per week)

1.6 .20 0.02 0.2 .69 0.00

Baseline 6.4 (5.6) 6.3 (6.2)






3 months 6.8 (7.2) 6.7 (6.9)






6 months 7.2 (7.5) 6.7 (7.3)





BMI (kg/m 2 )

11.2 .001 0.11 0.1 .93 0.00

Baseline 28.4 (5.8) 27.0 (5.9)






3 months 28.3 (5.9) 26.8 (5.7)






6 months 28.0 (5.9) 26.6 (5.9)





WHR

7.2 .009 0.07 0.0 .71 0.00

Baseline 0.82 (0.09) 0.82 (0.09)






3 months 0.81 (0.09) 0.82 (0.09)






6 months 0.81 (0.08) 0.81 (0.08)





HRV: SDRR (ms)

1.4 .25 0.02 2.0 .13 0.02

Baseline 45.0 (20.1) 49.6 (19.7)






3 months 46.4 (20.1) 47.8 (18.7)






6 months 46.1 (17.9) 43.1 (15.2)





HRV: RMSSD (ms)

1.4 .24 0.02 2.9 .06 0.03

Baseline 28.9 (14.6) 33.1 (19.6)






3 months 19.3 (15.3) 30.5 (16.3)






6 months 30.2 (15.4) 25.8 (12.9)





a For alcohol consumption, n=46 due to questionnaire completion error.

b For alcohol consumption, n=44 due to questionnaire completion error.

c For alcohol consumption, F 1, 88.