Abstract
BackgroundThe Child Health Utility 9D (CHU9D), a new generic preference-based health-related quality of life (HRQoL) instrument, has been validated for use in young people in both the UK and Australia. The main objectives of this study were to examine the feasibility of using a Chinese version of the CHU9D (CHU9D-CHN) to assess HRQoL and to investigate the association of physical activity, homework hours and sleep duration with HRQoL in children and adolescents in Mainland China.MethodsData were collected using a multi-stage sampling method from grades 4–12 students in May 2013 in Nanjing, China. Consenting participants (N = 815) completed a self-administered questionnaire including the CHU9D-CHN instrument and information on physical activity, homework and sleep duration, self-reported health status, and socio-demographic characteristics. Descriptive and multivariate linear regression analyses were undertaken. CHU9D-CHN utility scores were generated by employing two scoring algorithms currently available for the instrument, the first derived from UK adults utilising the standard gamble (SG) valuation method and the second derived from Australian adolescents utilising the best-worst scaling (BWS) method.ResultsIt was found that CHU9D utility scores discriminated well in relation to self-reported health status and that better health status was significantly associated with higher utility scores regardless of which scoring algorithm was employed (both p<0.001). The adjusted mean utilities were significantly higher for physically active than inactive students (0.023 by SG, 0.029 by BWS scoring methods, p<0.05). An additional hour of doing homework and sleep duration were, separately, associated with mean utilities of −0.019 and 0.032 based on SG, and −0.021 and 0.040 according to BWS scoring algorithms (p<0.01).ConclusionThe CHU9D-CHN shows promise for measuring and valuing the HRQoL of children and adolescents in China. Levels of self-reported physical activity, homework and sleep time were important influencers of utility scores.
Highlights
Health related quality of life (HRQoL) is a patient-based multidimensional construct that measures the impact of health or disease on physical and psychosocial functioning [1,2]
Mental health is considered as an important component of health-related quality of life (HRQoL), This study extends the work conducted by Hong et al to investigate the relationship between health behaviours and overall HRQoL
This study assessed the construct validity of the Chinese version of the Child Health Utility 9D (CHU9D) against self-reported health status in a child and adolescent population in China
Summary
Health related quality of life (HRQoL) is a patient-based multidimensional construct that measures the impact of health or disease on physical and psychosocial functioning [1,2]. The adolescent phase, marked by considerable physical, psychological and social changes affecting HRQoL [7], is critical for lifestyle and behavioral intervention. It is well-documented that adolescence plays an important role in the development and persistence of obesity and related co-morbidities into adulthood [8]. The Child Health Utility 9D (CHU9D), a new generic preference-based health-related quality of life (HRQoL) instrument, has been validated for use in young people in both the UK and Australia. The main objectives of this study were to examine the feasibility of using a Chinese version of the CHU9D (CHU9D-CHN) to assess HRQoL and to investigate the association of physical activity, homework hours and sleep duration with HRQoL in children and adolescents in Mainland China
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