Table 1 |
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|
Participant demographics by vegetarian status |
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| Non-vegetarian (n = 1711) |
Vegetarian (n = 106) |
Test Statistic1 |
P value |
|
|
|
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| Age (years, mean ± SE) |
44.8 ± 0.4 |
41.5 ± 1.8 |
F = 3.63 |
0.057 |
|
|
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| Age Group |
χ2 = 9.80 |
0.020 |
||
| 19 – 30 years |
24.8% |
38.1% |
||
| 31 – 50 years |
40.9% |
31.4% |
||
| 50 – 70 years |
24.3% |
20.0% |
||
| 71+ years |
10.1% |
10.5% |
||
|
|
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| Sex (% female) |
49.2% |
70.8% |
χ2 = 18.58 |
<0.001 |
|
|
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| Marital status |
χ2 = 17.55 |
0.001 |
||
| Single |
22.5% |
35.2% |
||
| Married |
62.7% |
50.5% |
||
| Widowed |
5.3% |
10.5% |
||
| Divorced/separated |
9.5% |
3.8% |
||
|
|
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| Education level |
χ2 = 0.45 |
0.800 |
||
| Secondary or less |
33.3% |
32.1% |
||
| Technical or some university |
47.6% |
46.2% |
||
| University graduate |
19.1% |
21.7% |
||
|
|
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| Low income |
22.8% |
37.2% |
χ2 = 9.28 |
0.002 |
|
|
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| Weight (kg, mean ± SE) |
||||
| Men |
83.1 ± 0.6 |
82.2 ± 3.0 |
F = 0.10 |
0.754 |
| Women |
67.9 ± 0.6 |
62.5 ± 1.8 |
F = 7.92 |
0.005 |
|
|
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| BMI (kg/m2, mean ± SE) |
||||
| Men |
26.7 ± 0.2 |
25.9 ± 0.8 |
F = 0.81 |
0.346 |
| Women |
25.7 ± 0.2 |
23.1 ± 0.7 |
F = 13.66 |
<0.001 |
|
|
||||
| BMI category – men |
χ2 = 0.92 |
0.821 |
||
| Underweight (< 18) |
0.2% |
0.0% |
||
| Normal weight (18-<25) |
48.8% |
51.6% |
||
| Overweight (≥ 25-<30) |
31.6% |
35.5% |
||
| Obese (≥ 30) |
19.4% |
12.9% |
||
|
|
||||
| BMI category – women |
χ2 = 16.34 |
0.001 |
||
| Underweight (< 18) |
1.1% |
0.0% |
||
| Normal weight (18-<25) |
59.6% |
83.1% |
||
| Overweight (≥ 25-<30) |
21.2% |
12.7% |
||
| Obese (≥ 30) |
18.1% |
4.2% |
||
|
|
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| Waist Circ. (cm, mean ± SE) |
||||
| Men |
91.7 ± 0.4 |
92.5 ± 2.3 |
F = 0.11 |
0.740 |
| Women |
79.8 ± 0.5 |
75.0 ± 1.5 |
F = 9.66 |
0.002 |
|
|
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| Health Condition – Men (% yes) |
||||
| Diabetes |
5.5 |
3.2 |
χ2 = 0.31 |
0.580 |
| Heart disease |
6.1 |
19.4 |
χ2 = 8.59 |
0.003 |
| Stroke |
0.8 |
3.2 |
χ2 = 1.99 |
0.158 |
| High blood pressure |
11.6 |
6.5 |
χ2 = 0.79 |
0.375 |
| High cholesterol |
14.7 |
9.7 |
χ2 = 0.61 |
0.434 |
| Cancer |
4.5 |
6.5 |
χ2 = 0.27 |
0.606 |
| Osteoporosis |
0.7 |
0.0 |
χ2 = 0.22 |
0.643 |
| None of the above |
70.9 |
63.3 |
χ2 = 0.81 |
0.370 |
|
|
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| Health Condition – Women (% yes) |
||||
| Diabetes |
4.9 |
1.3 |
χ2 = 1.97 |
0.160 |
| Heart disease |
3.7 |
4.0 |
χ2 = 0.02 |
0.889 |
| Stroke |
1.9 |
0.0 |
χ2 = 1.45 |
0.228 |
| High blood pressure |
15.3 |
6.7 |
χ2 = 4.15 |
0.042 |
| High cholesterol |
11.3 |
6.8 |
χ2 = 1.44 |
0.230 |
| Cancer |
8.3 |
1.3 |
χ2 = 4.70 |
0.030 |
| Osteoporosis |
6.1 |
8.0 |
χ2 = 0.44 |
0.506 |
| None of the above |
67.7 |
78.4 |
χ2 = 3.62 |
0.057 |
|
|
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|
1. Statistical analysis consisted of ANOVA (vegetarian versus non-vegetarian, with age as a covariate) for continuous variables. Chi-square analysis was used for categorical variables. |
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|
Bedford and Barr International Journal of Behavioral Nutrition and Physical Activity 2005 2:4 doi:10.1186/1479-5868-2-4 |
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