Physical activity and nutrition intervention for Singaporean women aged 50 years and above: study protocol for a randomised controlled trial

Table 2 Primary and secondary outcome variables and measuring tools

Primary outcome variables	Measurement tools
Self-reported levels of PA behaviour (incidental, programmed and sedentary)	GPAQ
Objectively measured levels of PA: intensity, duration and frequency	ActiGraph GT3X accelerometers
Self-reported levels of dietary behaviours on wholegrains, fat, oils, salt, sugar, fruits and vegetables consumption	STEPS dietary behaviour questionnaire
Lipid profile – cholesterol and TG, BG	Fasting blood samples
Secondary outcome variables	Measurement tools
Anthropometric measurements – weight, height, BMI, waist hip circumference and body fat percentage	Portable stadiometer, calibrated weighing machines, tape measures and Endo Body Fat Composition Analyser E-DBS908
BP	Omron electronic BP monitor
Self-reported health-related QOL	SF-8 questionnaire

BG blood glucose, BMI Body Mass Index, BP blood pressure, GPAQ Global Physical Activity Questionnaire, PA physical activity, QOL quality of life, SF Short Form, TG triglyceride

ISSN: 1745-6215