Table 4

Baseline and follow-up lifestyle behaviour outcomes, by treatment group

Control group

Phone group

Internet group


Baseline

Follow-up

Baseline

Follow-up

Change vs. control (95% CI)

Baseline

Follow-up

Change vs. control (95% CI)


Diet

n = 261

n = 263

n = 263


Fat (SD), score/day

18.6 (6.2)

16.7 (5.9)

18.6 (5.9)

15.7 (5.5)

-1.0* (-1.7; -0.2)

18.0 (6.3)

15.6 (5.9)

-0.7 (-1.4; 0.04)


Vegetablesa (IQR), g/day

143 (100; 193)

143 (100; 193)

136 (93; 193)

143 (100; 193)

9 (-1; 20)

129 (86; 171)

129 (100; 186)

-2 (-12; 9)


≥ 200 g veg./day, No (%)

54 (20.7)

56 (21.5)

50 (19.0)

56 (21.3)

-

47 (17.9)

48 (18.3)

-


Fruita (IQR), piecesb/day

1.6 (1.0; 2.6)

1.9 (1.0; 2.9)

1.7 (0.9; 2.6)

2.0 (1.3; 2.6)

0.2 (-0.02; 0.4)

1.6 (0.9; 2.4)

1.7 (1.3; 2.4)

-0.04 (-0.2; 0.2)


≥ 2 pieces fruit/day, No (%)

96 (36.8)

109 (41.8)

100 (38.0)

114 (43.3)

-

90(34.2)

104 (39.5)

-


Physical activity

n = 260

N = 263

n = 263


Total PAa (IQR), METmins./wk.

6114 (3273; 8755)

5940 (3596; 9141)

5895 (3250; 8690)

6875 (4645; 9483)

866* (203; 1530)

6060 (3240; 8355)

7080 (4260; 9145)

431 (-233; 1095)


≥ 30 mins./5 days a week, No (%)

91 (35.0)

100 (38.5)

83 (31.6)

131 (49.8)

-

81 (30.8)

116 (44.1)

-


All analyses based on complete data.

aMedian, bOne piece or portion of fruit approximates 100 grams.

IQR = interquartile range, PA = physical activity, * p < 0.05, ** p < 0.01, *** p < 0.001

van Wier et al. BMC Public Health 2009 9:6   doi:10.1186/1471-2458-9-6

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