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Table 1 Items of the self-administered questionnaire at baseline

From: The Murakami Cohort Study of vitamin D for the prevention of musculoskeletal and other age-related diseases: a study protocol

Measures

Sociodemographics

Age

Sex

Marital status

Occupation

Education

Household income

Family information

Family structure

Family disease histories

Medical history

Fractures

Knee osteoarthritis

Cancer

Cardiovascular disease

Cerebrovascular disease

Other chronic diseases

Histories of medication use

Body size

Current weight

Weight in the previous year

Weight at 20 years of age

Birth weight

Height

Waist circumference

Lifestyle

Smoking status

Alcohol consumption

Tea and coffee consumption

Physical activity

Time spent outdoors

Dietary habits

Dietary and nutritional intake (intakes of energy, 53 nutrients, and 29 food groups) using a validated food frequency questionnaire [13]

Sleep

Physical and mental health

Activities of daily living

Chronic pain*

General health status

Quality of life

Reproductive history (for women only)

Menstrual history

Pregnancy and birth histories

Breastfeeding history

History of hormone use

History of toxaemia in pregnancy

  1. *Pain was evaluated using the Short Form 36 verbal rating scale [14, 15]