Lim Lena L, Kua Ee-Heok
Department of Psychological Medicine, National University of Singapore, Singapore 119074.
Curr Gerontol Geriatr Res. 2011;2011:673181. doi: 10.1155/2011/673181. Epub 2011 Sep 29.
Studies of the psychological well-being of elderly living alone have yielded inconsistent results. Few investigators have distinguished living alone from loneliness in the same study. Thus, the present study examined the independent and interactive effects of living alone and loneliness on depressive symptoms (GDS score) and quality of life (SF-12 MCS score) in a prospective 2-year follow-up cohort study of 2808 community-dwelling older adults (aged ≥55 years) in Singapore, controlling for baseline covariates. In cross-sectional analysis, loneliness was a more robust predictor of GDS score than living arrangements; living alone, when controlled for loneliness, was not associated with GDS score. GDS score associated with living alone was worse for those who felt lonely than for those who did not feel lonely. Similar patterns of association were found in longitudinal analyses and for SF-12 MCS score, although not all were significant. Thus, though living alone predicted lower psychological well-being, its predictive ability was reduced when loneliness was taken into account and loneliness, a stronger predictor, worsened the psychological effects of living alone.
关于独居老年人心理健康状况的研究结果并不一致。很少有研究者在同一研究中区分独居和孤独感。因此,在一项对新加坡2808名社区居住的老年人(年龄≥55岁)进行的为期2年的前瞻性队列研究中,本研究在控制基线协变量的情况下,考察了独居和孤独感对抑郁症状(老年抑郁量表得分)和生活质量(简明健康调查量表心理成分得分)的独立影响和交互作用。在横断面分析中,孤独感比居住安排更能有力地预测老年抑郁量表得分;在控制孤独感后,独居与老年抑郁量表得分无关。对于感到孤独的人,与独居相关的老年抑郁量表得分比未感到孤独的人更差。在纵向分析和简明健康调查量表心理成分得分方面也发现了类似的关联模式,尽管并非所有结果都具有统计学意义。因此,虽然独居预示着较低的心理健康水平,但考虑到孤独感时,其预测能力会降低,而孤独感作为一个更强的预测因素,会加剧独居对心理的影响。