Sains Malaysiana 47(10)(2018): 2437–2445

http://dx.doi.org/10.17576/jsm-2018-4710-20

 

Comparison of the Effectiveness of Online and Face-to-Face Weight-Loss Interventions in the Workplace: Evidence from Malaysia

(Perbandingan Keberkesanan Intervensi Pengurangan Berat Secara atas Talian dan Bersemuka di Tempat Kerja: Bukti dari Malaysia)

 

ROSZANADIA RUSALI1, ZAHARA ABDUL MANAF1*, SUZANA SHAHAR1, FATIN HANANI MAZRI1, NORHAYATI IBRAHIM2, ARIMI FITRI MAT LUDIN3, DEVINDER KAUR AJIT SINGH4 & NAZLENA MOHAMAD ALI5

 

1Dietetics Program, Faculty of Health Sciences, Universiti Kebangsaan Malaysia, Jalan Raja Muda Abdul Aziz, 50300 Kuala Lumpur, Federal Territory, Malaysia

 

2Health Psychology Program, Faculty of Health Sciences, Universiti Kebangsaan Malaysia, Jalan Raja Muda Abdul Aziz, 50300 Kuala Lumpur, Federal Territory, Malaysia

 

3Biomedical Science Program, Faculty of Health Sciences, Universiti Kebangsaan Malaysia, Jalan Raja Muda Abdul Aziz, 50300 Kuala Lumpur, Federal Territory, Malaysia

 

4Physiotherapy Program, Faculty of Health Sciences, Universiti Kebangsaan Malaysia, Jalan Raja Muda Abdul Aziz, 50300 Kuala Lumpur, Federal Territory, Malaysia

 

5Institute of Visual Informatics, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor Darul Ehsan, Malaysia

 

Received: 6 April 2018/Accepted: 20 June 2018

 

 

ABSTRACT

A structured weight management programme at a workplace may help in reducing the prevalence of overweight and obesity. Therefore, this intervention study was to determine the effectiveness of weight loss programmes including face-to-face, online and control group at workplace among employees who are overweight and obese. A total of 108 overweight and obese adults were recruited and randomly divided into three groups (face-to-face group (FT), n=38; online group (OG), n=31; control group (CG), n=39). In the FT group, the participants took part in health talks, interactive activities and counselling; the OG group was given access to an online weight management program and the CG group was provided with educational booklets on weight loss. All information given was related to nutrition, physical activity and motivation to reduce weight. Body weight, body mass index (BMI), waist circumference (WC), body fat percentage, dietary intake, fasting lipid profile and glucose levels were assessed at baseline and 4 months. The FT group showed greater reduction in body weight (-5.80 kg) compared to OG (-1.12 kg) and CG (-1.82 kg). Significant interaction effects were found for BMI, WC, fasting serum triglycerides, HDL-cholesterol and total cholesterol/HDL-cholesterol ratio (all p<0.05), with the FT group showing the biggest improvements, compared to the other groups. The face-to-face weight management program offered in the workplace showed to be the most effective at improving anthropometric profile, fasting serum triglycerides, HDL-C, total cholesterol/HDL-C ratio, and dietary intake among overweight and obese employees.

 

Keywords: Intervention; obesity; structured program; workforce; workplace

 

ABSTRAK

Program pengurusan berat badan berstruktur di tempat kerja boleh membantu dalam mengurangkan berat badan berlebihan dan obesiti. Oleh itu, kajian intervensi adalah untuk menentukan keberkesanan program penurunan berat badan iaitu bersemuka, atas talian dan kumpulan kawalan di tempat kerja dalam kalangan kakitangan yang berlebihan berat badan dan obes. Seramai 108 kakitangan yang berlebihan berat badan dan obes telah direkrut dan dibahagikan secara rawak kepada tiga kumpulan (kumpulan bersemuka (FT), n=38; kumpulan atas talian (OG), n=31; kumpulan kawalan (CG), n=39). Subjek kumpulan bersemuka diberikan ceramah kesihatan, aktiviti interaktif dan kaunseling; kumpulan OG diberi akses untuk satu program pengurusan berat badan atas talian dan kumpulan CG disediakan buku kecil yang mengandungi maklumat mengenai penurunan berat badan. Semua maklumat yang diberikan adalah berkaitan dengan pemakanan, aktiviti fizikal dan motivasi untuk menurunkan berat badan. Penilaian berat badan, indeks jisim tubuh (BMI), ukur lilitan pinggang (WC), peratus lemak badan, pengambilan makanan, profil lipid dan aras glukosa darah berpuasa dilakukan pada peringkat dasar dan 4 bulan. Kumpulan FT menunjukkan penurunan berat badan tertinggi (-5.80 kg) berbanding OG (-1.12 kg) dan CG (-1.82 kg). Selain daripada berat badan, didapati terdapat kesan interaksi yang signifikan bagi BMI, WC, trigliserida, kolesterol-HDL, dan nisbah kolesterol/kolesterol-HDL (p<0.05), dengan kumpulan FT menunjukkan penambahbaikan lebih tinggi berbanding kumpulan yang lain. Program pengurusan berat badan bersemuka yang ditawarkan di tempat kerja adalah yang paling berkesan dalam meningkatkan profil antropometrik, trigliserida, HDL-C, nisbah kolesterol/HDL-C dan pengambilan makanan dalam kalangan kakitangan berlebihan berat badan dan obes.

 

Kata kunci: Intervensi; kakitangan; obesiti; program berstruktur; tempat kerja

 

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*Corresponding author; email: zaharamanaf@ukm.edu.my

 

 

 

 

 

 

 

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