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Table 1 Contents of the baseline data collection

From: The Tokyo Oldest Old Survey on Total Health (TOOTH): A longitudinal cohort study of multidimensional components of health and well-being

Components

Measurements

In-home interview

 

   Socioeconomic status

Marital status, composition of household, achieved education, current and past working activity, self-assessment of economic status

   Functional capacity

Unintentional weight loss, vision and hearing, basic and instrumental activities of daily living

   Behaviours

Smoking, alcohol use, walking

   Well-being

Philadelphia Geriatric Center (PGC) Morale Scale

   Mental health

World Health Organization (WHO)-5 Well-being Index

   Cognitive function

Mini-mental state examination (MMSE)

   Social cognition

Sense of control

   Social intelligence/life knowledge

Wisdom

   Social relations

Social networks, social support, negative interaction, companionship, reciprocity

   Social activities

Content and number of social activities

   Social care

Usage and degree of long-term care insurance

   Usage of electrical home appliances

Microwave oven, washing machine, cell phone, personal computer, video game

Self-administered questionnaire

 

   Habitual dietary intake

46-item semiquantified food frequency questionnaire

   Health-related QOL

WHO Quality of Life Instrument-Older Adults Module (WHOQOL-old)

   Personality

NEO Five Factor Inventory (NEO-FFI)

Medical/dental Examination

 

   Chronic conditions

Medical history and medication

   Falls

Falls in past 6 months

   General pain

Visual analogue scale (VAS)

   Health behaviors

Physical and cognitive activity, bowel habit

   Physical examination

Resting blood pressure, heart rate, auscultation for the heart and the lung, detecting pitting ankle edema

   Anthropometrical measurement

Weight, height, demi-span, waist, hip, calf circumference, skinfold thickness of triceps, subscapular, suprailiac, and medial calf

   Physical function

Timed up-and-go test, chair standing, one-leg standing, grip strength

   Electrocardiogram (ECG)

Twelve-lead ECG and 3-minute heart rate variability

   Carotid atherosclerosis

B-mode carotid ultrasonography

   Bone mineral density

Calcaneal quantitative ultrasonic measurement

   Dental examination

Tooth count, degree of mouth cleaning, periodontal disease

   Oral function

Bite force, masticatory function, 15-item food acceptance

   Oral health-related QOL

General oral health assessment index (GOHAI)

   Blood analysis

Non-fasting blood test and DNA sampling

   Saliva analysis

Production and component of saliva

   Urine analysis

Urine sample from the first morning boid (collected at home)