Dietary Supplement Use among Older Cancer Survivors: Socio-Demographic Associations, Supplement Types, Reasons for Use, and Cost.
Dietary Supplement Use among Older Cancer Survivors: Socio-Demographic Associations, Supplement Types, Reasons for Use, and Cost.
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大多数美国人服用膳食补充剂（DS），癌症幸存者的使用率甚至更高。这项二次分析旨在确定367名参加Harvest for Health蔬菜园艺试验的老年癌症幸存者使用的补充剂的类型，原因和成本，并评估补充剂摄入量与医疗/社会人口因素之间的关联。使用描述性统计来确定补充剂类型和使用原因。平均市场价格用于估计成本。59%的样本报告了补充剂的使用。与男性、少数民族和其他癌症幸存者相比，女性（OR 2.11，95% CI 1.35-3.30）、非西班牙裔白色（OR 1.77，95% CI 1.05-3.0）以及乳腺和妇科幸存者（OR 1.57，1.03-2.38）报告DS使用的可能性显著更高。维生素（39%）、多种维生素（23%）和矿物质（12%）的使用最为普遍。通常报告的补充剂使用原因是改善一般健康（47%）或治疗疾病（39%）和癌症相关症状（12%）。DS日成本范围为0.02至19.81美元，平均值为1.28 ± 1.74美元，中位数为0.78美元，众数为0.34美元。DS的使用在老年癌症幸存者中很普遍，据报道，整体健康状况是使用的主要原因。自付的经常性费用可能很大，突出表明有必要尽可能在这一弱势群体中推广营养丰富的饮食。
Most Americans take dietary supplements (DSs) and use is even higher among cancer survivors. This secondary analysis seeks to identify types, reasons, and costs of supplements used by 367 older cancer survivors enrolled in the Harvest for Health vegetable gardening trial and evaluate associations between supplement intake and medical/socio-demographic factors. Descriptive statistics were used to identify supplement type and reasons for use. Average market price was used to estimate cost. Fifty-nine percent of the sample reported supplement use. Female (OR 2.11, 95% CI 1.35–3.30), non-Hispanic White (OR 1.77, 95% CI 1.05–3.0), and breast and gynecological survivors (OR 1.57, 1.03–2.38) were significantly more likely to report DS use compared to males, minorities, and survivors of other cancers. Use of vitamins (39%), multivitamins (23%), and minerals (12%) were the most prevalent. Commonly reported reasons for supplement use were to improve general health (47%) or treat medical conditions (39%) and cancer-related symptoms (12%). DSs daily costs ranged from USD 0.02 to 19.81, with a mean of USD 1.28 ± 1.74, a median of USD 0.78, and a mode of USD 0.34. DS use is prevalent among older cancer survivors, with overall health reported as the leading reason for use. Out-of-pocket recurrent costs can be substantial and underscore the need to promote a nutrient-rich diet whenever possible in this vulnerable population.