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Objective. The efficacy of individualized, community-based physical activity as an adjunctive smoking cessation treatment to enhance long-term smoking cessation rates was evaluated for the Lifestyle Enhancement Program (LEAP). Methods. The study was a two-arm, parallel-group, randomized controlled trial. All participants (n = 392) received cessation counseling and a nicotine patch and were randomized to physical activity (n = 199; YMCA membership and personalized exercise programming from a health coach) or an equal contact frequency wellness curriculum (n = 193). Physical activity treatment was individualized and flexible (with each participant selecting types of activities and intensity levels and being encouraged to exercise at the YMCA and at home, as well as to use “lifestyle” activity). The primary outcome (biochemically verified prolonged abstinence at 7-weeks (end of treatment) and 6- and 12-months postcessation) and secondary outcomes (7-day point prevalent tobacco abstinence (PPA), total minutes per week of leisure time physical activity and strength training) were assessed at baseline, 7 weeks, 6 months, and 12 months. Results. Prolonged abstinence in the physical activity and wellness groups was 19.6% and 25.4%, respectively, at 7-weeks, 15.1% and 16.6% at 6-months, and 14.1% and 17.1% at 12 months (all between-group P values >0.18). Similarly, PPA rates did not differ significantly between groups at any follow-up. Change from baseline leisure-time activity plus strength training increased significantly in the physical activity group at 7 weeks (P = 0.04). Across treatment groups, an increase in the number of minutes per week in strength training from baseline to 7 weeks predicted prolonged abstinence at 12 months (P ≤ 0.001). Further analyses revealed that social support, fewer years smoked, and less temptation to smoke were associated with prolonged abstinence over 12 months in both groups. Conclusions. Community-based physical activity programming, delivered as adjunctive treatment with behavioral/pharmacological cessation treatment, did not improve long-term quit rates compared to adjunctive wellness counseling plus behavioral/pharmacological cessation treatment. This trial is registered with https://beta.clinicaltrials.gov/study/NCT00403312, registration no. NCT00403312.
Because farmers’ markets include a variety of fruits and vegetables, shopping at farmers’ markets would likely improve diet quality among low-income consumers, as well as promote sustainable direct farm-to-consumer business models. However, not much is known about how to promote farmers’ market shopping among low-income consumers. Therefore, the purpose of the present paper was to examine barriers to and facilitators of shopping at farmers’ markets and associations between shopping at farmers’ markets and self-reported dietary behaviours (fruit and vegetable, sugar-sweetened beverage and fast-food consumption) and BMI.
Cross-sectional analyses of associations between farmers’ market shopping frequency, awareness of markets, access to markets, dietary behaviours and BMI.
Department of Social Services, Pitt County, eastern North Carolina, USA.
Between April and July 2013, Supplemental Nutrition Assistance Program (SNAP) participants (n 205) completed a quantitative survey.
Barriers to shopping at farmers’ markets included does not accept SNAP/electronic benefit transfer, out of the way and lack of transportation. Farmers’ market shopping was associated with awareness of farmers’ markets (estimate =0·18 (se 0·04), P<0·001). Fruit and vegetable consumption was positively associated with farmers’ market shopping (estimate =1·06 (se 0·32), P=0·001).
Our study is one of the first to examine SNAP participants’ farmers’ market shopping, distance to farmers’ markets and dietary behaviours. Barriers to shopping at farmers’ markets and increasing awareness of existing markets should be addressed in future interventions to increase SNAP participants’ use of farmers’ markets, ultimately improving diet quality in this high-risk group.
Guinea-pigs were undernourished from birth by first, cross-fostering in groups of six (in pairs for control animals) and then by feeding a diet of 60% of ad lib. intake from 2 to 6 weeks. The changing characteristics of muscle fibre types in the biceps brachii and soleus muscles were monitored by histochemistry. Undernutrition appeared to delay maturation of muscle fibres. Fibre cross-sectioned area was reduced in all fibres of the 60% of ad lib. intake group. Fibres of the biceps brachii were more affected than those of the soleus. Fibre area vulnerability was partly associated with a high relative growth rate in biceps brachii at this time. Total protein content in the semitendinosus muscle was depressed in the undernourished group compared with the control group. DNA concentrations were initially higher in the control group but decreased in both groups to similar levels by 6 weeks. RNA concentration increased up to 5 weeks in the control group and then decreased, but decreased after 2 weeks in the undernourished group.
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