Table 1.
Full sample (n 296) | SIPsmartER (n 151) | MoveMore (n 145) | Test statistic, | ||||
---|---|---|---|---|---|---|---|
Characteristic | Mean or n | sd or % | Mean or n | sd or % | Mean or n | sd or % | P value† |
Age (years), mean and sd | 42·1 | 13·4 | 41·7 | 13·4 | 42·4 | 13·3 | t=−0·41 |
P=0·68 | |||||||
Gender, n and % | |||||||
Male | 56 | 19 | 30 | 20 | 26 | 18 | χ 2=0·18 |
Female | 240 | 81 | 121 | 80 | 119 | 82 | P=0·67 |
Race, n and % | |||||||
Caucasian | 275 | 93 | 137 | 91 | 138 | 95 | χ 2=2·22 |
African American | 13 | 4 | 10 | 6 | 3 | 2 | P=0·14 |
More than one race | 7 | 2·5 | 3 | 2 | 4 | 3 | |
Other | 1 | 0·5 | 1 | 1 | 0 | 0 | |
Ethnicity, n and % | |||||||
Hispanic/Latina | 3 | 1 | 2 | 1 | 1 | 0·5 | χ 2=0·48 |
P=0·79 | |||||||
Education level, n and % | |||||||
≤High-school graduate | 93 | 31 | 49 | 32·5 | 44 | 30 | χ 2=0·15 |
Some college or greater | 203 | 69 | 102 | 67·5 | 101 | 70 | P=0·70 |
Annual household income, n and % | |||||||
≤$US 14 999 | 126 | 43 | 69 | 46 | 57 | 39 | χ 2=6·89 |
$US 15 000–34 999 | 94 | 32 | 52 | 35 | 42 | 29 | P=0·08 |
$US 35 000–54 999 | 39 | 13 | 18 | 12 | 21 | 15 | |
≥$US 55 000 | 37 | 12 | 12 | 8 | 25 | 17 | |
Weight status | |||||||
Weight (kg), mean and sd | 90·6 | 25·4 | 90·7 | 26·4 | 90·4 | 24·3 | t=0·09 |
P=0·93 | |||||||
BMI (kg/m2), mean and sd | 33·0 | 9·1 | 33·3 | 9·3 | 32·7 | 9·0 | t=0·49 |
P=0·62 |
The t test was used to compare group means; the χ 2 test was used to compare proportions across groups.