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01-10-2011 | Uitgave 8/2011 Open Access

Quality of Life Research 8/2011

Personal factors associated with health-related quality of life in persons with morbid obesity on treatment waiting lists in Norway

Quality of Life Research > Uitgave 8/2011
Anners Lerdal, Randi Andenæs, Eva Bjørnsborg, Tore Bonsaksen, Lisbet Borge, Bjørg Christiansen, Hilde Eide, Kari Hvinden, May Solveig Fagermoen



To explore relationships of socio-demographic variables, health behaviours, environmental characteristics and personal factors, with physical and mental health variables in persons with morbid obesity, and to compare their health-related quality of life (HRQoL) scores with scores from the general population.


A cross-sectional correlation study design was used. Data were collected by self-reported questionnaire from adult patients within the first 2 days of commencement of a mandatory educational course. Of 185 course attendees, 142 (76.8%) volunteered to participate in the study. Valid responses on all items were recorded for 128 participants. HRQoL was measured with the Short Form 12v2 from which physical (PCS) and mental component summary (MCS) scores were computed. Other standardized instruments measured regular physical activity, social support, self-esteem, sense of coherence, self-efficacy and coping style.


Respondents scored lower on all the HRQoL sub-domains compared with norms. Linear regression analyses showed that personal factors that included self-esteem, self-efficacy, sense of coherence and coping style explained 3.6% of the variance in PCS scores and 41.6% in MCS scores.


Personal factors such as self-esteem, sense of coherence and a high approaching coping style are strongly related to mental health in obese persons.

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