TABLE 2.
Knowledge of Recommended Number of Servings of Fruit and Vegetables per Day and Beliefs About Diet: Nutrition Monitoring Surveys, Western Australia, 1995–2004
| 1995 (n = 748) |
1998 (n = 751) |
2001 (n = 753) |
2004 (n = 601) |
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| % | OR (95% CI) | P | % | OR (95% CI) | P | % | OR (95% CI) | P | % | OR (95% CI) | P | |
| Servings of fruit recommended per daya | 1.00 (Ref) | NA | 1.01 (0.78, 1.29) | .955 | 1.36 (1.06, 1.73) | .015 | 3.66 (2.85, 4.70) | <.001 | ||||
| 1 | 8.6 | 4 | 5.3 | 3.7 | ||||||||
| 2 | 23.8 | 23.8 | 29.4 | 52.7 | ||||||||
| ≥ 3 | 60.5 | 66.5 | 59.6 | 40.2 | ||||||||
| Other | 1.3 | 0.3 | 0.7 | 0 | ||||||||
| Don't know | 5.8 | 5.2 | 5 | 3.3 | ||||||||
| Servings of vegetables recommended per dayb | 1.00 (Ref) | NA | 1.12 (0.88, 1.43) | .344 | 1.25 (0.99, 1.58) | .064 | 4.50 (3.49, 5.80) | <.001 | ||||
| 1 | 7.6 | 3.7 | 3.3 | 0.8 | ||||||||
| 2 | 12.9 | 9.5 | 10.1 | 4.5 | ||||||||
| 3 | 27 | 29 | 26.4 | 17.1 | ||||||||
| 4 | 18.6 | 20 | 17.4 | 11 | ||||||||
| 5 | 30.1 | 32.4 | 34.8 | 64.3 | ||||||||
| ≥ 6 | 3.9 | 5.4 | 8 | 2.4 | ||||||||
| Tried changing amount of fruit eaten in past 12 monthsc | 1.00 (Ref) | NA | 1.00 (0.80, 1.25) | .978 | 0.89 (0.72, 1.12) | .324 | 1.08 (0.86, 1.37) | .496 | ||||
| Increased | 39.4 | 39.3 | 36.2 | 40.7 | ||||||||
| Decreased | 2 | 1.1 | 2 | 3.4 | ||||||||
| Not tried | 58.6 | 59.7 | 62.8 | 55.9 | ||||||||
| Tried changing amount of vegetables eaten in past 12 monthsd | 1.00 (Ref) | NA | 0.86 (0.68, 1.10) | .232 | 0.86 (0.67, 1.09) | .207 | 1.09 (0.85, 1.41) | .496 | ||||
| Increased | 33.8 | 30.5 | 29.3 | 33.5 | ||||||||
| Decreased | 1.4 | 0.7 | 0.2 | 0.5 | ||||||||
| Not tried | 64.9 | 68.9 | 70.6 | 66.4 | ||||||||
Note. OR = odds ratio; CI = confidence interval; NA = not applicable. Percentages are sample weighted.
ORs, 95% CIs, and P values for correctly answering minimum intake of 2 servings of fruit per day compared with 1995. Effect estimates were adjusted for 5-year age group and gender.
ORs, 95% CIs, and P values for correctly answering minimum intake of 5 servings of vegetables per day compared with 1995. Effect estimates were adjusted for 5-year age group and gender.
ORs, 95% CIs, and P values for changes to fruit intake in the past 12 months. Effect estimates were adjusted for 5-year age group, gender, and income.
ORs, 95% CIs, and P values for changes to vegetable intake in the past 12 months. Effect estimates were adjusted for 5-year age group, gender, and income.