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Four brief food frequency questionnaires were developed and validated to measure an adult's usual daily intake of fruit or vegetable servings over the past month. Fifty males and 50 females, aged 25-52 years, completed two fruit instruments, two vegetable instruments, and a dietary history (the reference method). Individual agreement and group mean(More)
PURPOSE An audience-centered approach was used to develop valid and reliable scales to measure adult self-efficacy to eat fruit and vegetables. DESIGN Cross-sectional survey of a national population. SETTING New Zealand. SUBJECTS A sample of 350 adults ages 25 to 60 years was randomly selected from a nationally representative sampling frame. Overall,(More)
A scale to measure adult decisional balance to eat more fruits and vegetables was developed and confirmed, and its psychometric properties were assessed. Two simple random samples of adults ages 25-60 years were selected from a nationally representative sampling frame. The development survey had a 72% response rate (n = 231). The confirmation survey had a(More)
Although a link between lifestyles and social class has long been acknowledged, marketers have more closely identified lifestyles with psychographics and therefore with psychological segmentation. We propose that the origins of lifestyle are more correctly reflected in Weber's approach to status and that it can be viewed more appropriately as the most(More)
The energy cultures framework was developed in 2009 to support interdisciplinary investigation into energy behaviour in New Zealand. In this paper, we discuss the framework in light of five years of empirical application and conceptual development. The concept of culture is helpful in seeking to better understand energy behaviour because it conveys how(More)
AIMS To understand the different patterns of trust that exist regarding different sources of information about health issues. METHOD Data from a large national health lifestyles survey of New Zealanders was examined using a factor analysis of trust toward 24 health information sources (HIS). Differences in trust are compared across a range of demographic(More)