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Factors associated with overweight cats successfully completing a diet-based weight loss programme: an observational study.

ABSTRACT: BACKGROUND:The most common approach for controlled weight loss in cats is dietary caloric restriction, using a purpose-formulated diet. Most previous studies have only assessed short-term outcomes, and no previous study has examined overall success (i.e. odds of reaching target weight). The aim of this study was to determine the factors associated with overweight cats successfully completing a diet-based weight loss programme to reach target weight. RESULTS:Sixty-two cats were included, and 28 (45%) completed their weight loss programme. The remaining 34 cats (55%) did not reach target weight, of which 2 (3%) were euthanised for unrelated reasons. Reasons for cats stopping the programme prematurely included inability to contact owner (n?=?19), owner requested that the programme be completed prior to reaching target weight (n?=?5), the cat developed another illness (n?=?3), refusal to comply with requirements for weight management (n?=?2), owner illness (n?=?2), and personal issues of the owner (n?=?1). Multiple logistic regression analysis revealed that rate of weight loss and weight loss required were positively (odds ratio [OR] 157.81, 95% confidence interval [CI] 10.00-2492.67) and negatively (OR 0.89, 95% CI 0.81-0.98) associated with the odds of completing the weight loss programme, respectively. CONCLUSIONS:Future studies should consider developing better methods of supporting the owners of the most obese cats during weight management, since these cats are least likely to complete reach target weight.

SUBMITTER: O'Connell EM

PROVIDER: S-EPMC6295068 | biostudies-literature | 2018 Dec

REPOSITORIES: biostudies-literature

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Factors associated with overweight cats successfully completing a diet-based weight loss programme: an observational study.

O'Connell Erin M EM Williams Maria M Holden Shelley L SL Biourge Vincent V German Alexander J AJ

BMC veterinary research 20181214 1

<h4>Background</h4>The most common approach for controlled weight loss in cats is dietary caloric restriction, using a purpose-formulated diet. Most previous studies have only assessed short-term outcomes, and no previous study has examined overall success (i.e. odds of reaching target weight). The aim of this study was to determine the factors associated with overweight cats successfully completing a diet-based weight loss programme to reach target weight.<h4>Results</h4>Sixty-two cats were inc ...[more]

PMID: 30547781

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Project description:BackgroundRelatively little is known about dietary changes and their relationships with weight change during behavioural weight loss interventions. In a secondary analysis of data from a multicentre RCT, we investigated whether greater improvements in diet would be achieved by overweight adults following a 12 month group-based commercial weight loss programme (CP) than those receiving standard care (SC) in primary practice, and if these dietary changes were associated with greater weight loss.MethodsAdults with a BMI 27-35 kg/m2 and >1 risk factor for obesity-related disorders were recruited in study centres in Australia and the UK during 2007-2008. Dietary intake and body weight were measured at baseline, 6 and 12 months. Linear mixed effects models compared mean changes in dietary macronutrient intake, fibre density and energy density over time between groups, and their relationships with weight loss.ResultsThe CP group demonstrated greater mean weight loss than the SC group at 6 months (3.3 kg, 95% CI: 2.2, 4.4) and 12 months (3.3 kg, 95% CI: 2.1, 4.5). Diet quality improved in both intervention groups at 6 and 12 months. However, the CP group (n = 228) achieved significantly greater mean reductions in energy intake (mean difference; 95% CI: - 503 kJ/d; - 913, - 93), dietary energy density (- 0.48 MJ/g; - 0.81, - 0.16), total fat (- 6.9 g/d; - 11.9, - 1.8), saturated fat (- 3.3 g/d; - 5.4, - 1.1), and significantly greater mean increases in fibre density (0.30 g/MJ; 0.15, 0.44) at 6 months than the SC group (n = 239). Similar differences persisted at 12 months and the CP group showed greater mean increases in protein density (0.65 g/MJ). In both groups, weight loss was associated with increased fibre density (0.68 kg per g/MJ, 95% CI: 0.08, 1.27) and protein density (0.26 kg per g/MJ, 95% CI: 0.10, 0.41).ConclusionsFollowing a group-based commercial program led to greater improvements in diet quality than standard care. Increases in dietary protein and fibre density were independently associated with weight loss in both behavioural weight loss interventions. Greater increases in protein and fibre density in the commercial program likely contributed to their greater weight loss.Trial registrationISRCTN: ISRCTN85485463 Registered 03/08/2007 Retrospectively Registered.

Project description:IntroductionFeline obesity is a worldwide concern which has recently been formally classified as a disease by the veterinary community. Management involves invoking controlled weight loss by feeding a purpose-formulated food in restricted quantities and altering physical activity. Most weight loss studies conducted in cats have been undertaken in research cat colonies from single geographic locations. The aim of this multi-centre cohort study was to determine the efficacy of a short-term dietary weight loss intervention in overweight pet cats across a range of geographical locations globally.Materials and methodsA 3-month (median 13 weeks, inter-quartile range [IQR] 12-15 weeks) weight loss programme was conducted at 188 veterinary practices in 22 countries, and involving 730 cats, 413 of which completed the programme and had complete data available. All were fed commercially available dry or wet weight loss diets, and median energy intake was 53 kcal/kg BW0.711/day. The Royal Canin Ethics Committee approved the study, and owners gave informed consent. Owners completed behavioural questionnaires assessing begging, physical activity and quality of life (QOL). Linear mixed models were used to assess the respective influence of time, age, and initial body condition score (BCS) on weight loss and behavioural observations.ResultsAt baseline, median age was 72 months (range 12-200 months) and median BCS was 8 (range 7-9). In all, 402/413 cats (97%) lost weight (mean 10.6±6.3%) during the programme at a rate of 0.8 ±0.50%/week. Based upon owner questionnaires, activity and QOL improved (both P<0.001), while begging behaviour decreased (P<0.001) during weight loss. The main factor influencing percentage weight loss was geographical location (P<0.001), with cats in North America losing less weight (median 7.2%, IQR: 4.4-10.4%) than those in both Europe (10.7%, 6-8-15.4%) and South America (10.0%, 6.2-15.4%). Differences in weight loss were also observed amongst countries (P<0.001), with cats in Argentina, Germany, and Italy losing more weight than cats in the USA, and cats in Germany also losing more weight than cats in Portugal.Discussion/conclusionMost of the overweight cats enrolled in this international multi-centre study successfully lost weight. The reason for the differences in percentage weight loss amongst geographical locations requires further study.

Project description:IntroductionType 2 diabetes mellitus (T2DM) is one of the world's fastest growing health problems. Asians have a strong ethnic predisposition for T2DM, developing T2DM at a lower degree of obesity and at younger ages than other ethnic groups. T2DM has a gradual onset, with most individuals progressing through a pre-diabetic state, providing an opportunity to prevent T2DM and its complications. This study aims to evaluate the effectiveness of a community-based lifestyle intervention programme on weight loss and improvements in insulin sensitivity and cardiometabolic profiles in Chinese adults with pre-diabetes.Methods and analysisThis study is a 12-month, assessor-blinded randomised controlled trial. Adults with pre-diabetes (aged 40-64 years, n=180) with pre-diabetes are randomised into either an intervention group (receiving group-based lifestyle interventions) or a control group (receiving text messages containing health information). The intervention programme targets a weight loss of 5% during the first 6 months by restricting caloric intake and increasing physical activity. Participants in the intervention group will attend six group sessions and two individual face-to-face diet counselling sessions during the first 6 months, followed by monthly telephone support during the 6-month maintenance phase. Participants in the control group will receive monthly text messages containing general health information only. The primary outcome is weight loss (%). Secondary outcomes include insulin sensitivity (assessed using fasting insulin level and homeostatic model assessment of insulin resistance), glycaemic control (assessed using glycated haemoglobin level), lipid profile, blood pressure, carotid artery thickness, dietary intake and level of physical activity. Intention-to-treat analysis will be conducted using a generalised linear mixed effects model with a logit link and linear mixed models.Ethics and disseminationThis study has been approved by the relevant research ethics committee. The results will be disseminated through peer-reviewed journals and scientific presentations.Trial registration numberNCT03609697.

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Factors associated with overweight cats successfully completing a diet-based weight loss programme: an observational study.

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Factors associated with overweight cats successfully completing a diet-based weight loss programme: an observational study.

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