Examining the factor structure and validity of the WHOQOL-AGE among the oldest-old Chinese in Singapore.

ABSTRACT:

Objectives

A short measure of quality of life in old age is essential. The present study examined the factor structure and validity of the 13-item WHOQOL-AGE among the oldest-old.

Methods

Data came from 1,000 Chinese aged ≥85 years in Singapore. Exploratory and confirmatory factor analyzes were conducted on the WHOQOL-AGE. Regression examined the demographic, social and health correlates of the identified factors.

Results

Factor analyzes suggested a bifactor model of the WHOQOL-AGE, which comprised three specific factors, namely "health," "environment" and "mastery," in addition to the general factor ("overall"). Partial scalar invariance (concerning only one item) and scalar invariance were established across gender and education level respectively, generally support

SUBMITTER: Cheng GH 

PROVIDER: S-EPMC10581834 | biostudies-literature | 2023

REPOSITORIES: biostudies-literature