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    The WMS Healthy Lifestyle Scale for Adolescents: Development and Validation Based on a Second-order General Factor Model
    Objective: We developed and validated the psychometric properties of a scale to assess healthy lifestyle in adolescents aged 12 to 18. Methods: A pilot sample of 404 adolescents (54% males and 46% females) and a confirmatory sample of 1713 adolescents (48.7% males and 51.3% females) were considered. Results: In the pilot study, we performed an exploratory factor analysis (EFA), where the toxic relations dimension was changed to the social relations dimension. In the confirmatory study, we performed a confirmatory factor analysis (CFA), where the second-order general factor model presented adequate adjustment indices (CFI = .94; TLI = .93; RMSEA = .04 [90% CI = .039-.044] ; SRMR = .05). In addition, the global scale presented an adequate composite reliability index (CRI = .87) along with the 8 proposed dimensions: social relationships (.62), leisure habits (.55); risk-taking behaviors (.82), eating habits (.66); search for clean air (.57); sun protection (.79); physical activity (.65) and water drinking (.68). Conclusions: The results of the study contribute to an adequate measurement of the construct and evidence for the existence of a second-order general factor model. Furthermore, the study provides a conceptual and statistical basis for the psychometric development of the WMS scale in subsequent studies.
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    Dietary Regimen, Overweight, and Obesity in Human Nutrition Students and Other Majors: A Cross-Sectional Study
    Background . Choosing a healthy diet is an increasingly a challenge for university students. The objective of this study was to compare diet and overweight/obesity in human nutrition students (HNS) and students of other careers (SOC) from a university located in Lima, Peru. Methods . It was a cross‐sectional study consisting of 158 students out of an initial sample of 170. Information was collected on the sociodemographic and anthropometric characteristics of the participants and a validated questionnaire was applied to evaluate the frequency of food consumption. Results . There was no significant difference in diet between HNS and SOC ( p > 0.05). HNS most frequently consumed yellow/orange vegetables ( p = 0.020), purple vegetables ( p = 0.049), citrus fruits ( p = 0.029), eggs ( p = 0.002), whole milk ( p = 0.013), yogurt ( p = 0.017), tofu ( p = 0.003), olive oil ( p = 0.003), other vegetable oils ( p < 0.001), and alcoholic beverages ( p = 0.037) than SOC. In contrast, HNS had a lower frequency of nonfried tuber intake ( p = 0.039), fried tubers ( p < 0.001), milk desserts ( p = 0.048), flour fritters ( p = 0.027), cookies with chocolate ( p = 0.050), croissants ( p = 0.030), cookies with filling ( p = 0.024), candies ( p = 0.006), and soda ( p = 0.016) than SOC. Overweight/obesity was not different between HNS and SOC ( p > 0.05). Conclusions . This study found significant differences in the consumption of some foods between HNS and SOC. However, it found no significant difference in diet and overweight/obesity between HNS and SOC.
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