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Table 2 Operationalisation of the five domains of intrinsic capacity based on variables from HUNT4 and HUNT4 70+

From: Health-promoting behaviors in older adulthood and intrinsic capacity 10 years later: the HUNT study

Domain

Measurement

 

Categorisation

Score

Locomotion

Short Physical Performance Battery

 

High impairment

SPPB ≤ 6

0

Moderate impairment

SPPB ≤ 9

0.5

No/mild impairment

SPPB ≥ 10

1

Cognition

Montreal Cognitive Assessment

High impairment

z-score ≤ -2

0

Moderate impairment

z-score ≤ -1

0.5

No/mild impairment

z-score ≥ -1

1

Vitality

Grip strength (kg)

Women

High impairment

 < 16 kg

0

Moderate impairment

 < 19.9 kg

0.5

No/mild impairment

 ≥ 20 kg

1

Men

High impairment

 < 26 kg

0

Moderate impairment

 < 31.9 kg

0.5

No/mild impairment

 ≥ 32 kg

1

Psychology

Self reported life satisfaction

 

High impairment

Very dissatisfied

0

Moderate impairment

Somewhat dissatisfied

0.5

No/mild impairment

Satisfied

1

Sensory impairment

Self reported sensory impairment

High impairment

High impairment

0

Moderate impairment

Moderate impairment

0.5

No/mild impairment

No/mild impairment

1