Variability and seasonality of active transportation in USA: evidence from the 2001 NHTS.
Variability and seasonality of active transportation in USA: evidence from the 2001 NHTS.
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DOI：
10.1186/1479-5868-8-96
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发表时间：
2011-09-14
期刊：
影响因子：
--
通讯作者：
Bingham CR
中科院分区：
文献类型：
--
作者：
Yang Y;Diez Roux AV;Bingham CR
包括步行和骑自行车在内的积极交通是身体活动的重要来源。促进积极交通是公共卫生和交通领域面临的挑战。需要关于活跃交通运输预测因素的描述性数据，包括整个美国活跃交通运输的季节性模式，以便为干预和政策提供信息。这项研究使用2001年全国家庭旅行调查数据分析了美国活跃交通的月度变化。对于每个年龄组的儿童、青少年、成人和老年人，使用Logistic回归模型来确定活跃交通的几率的预测因素，包括性别、种族/民族、家庭收入水平、地理区域、城市化水平和月份。儿童和青少年参与主动交通的概率一般高于成年人和老年人。低收入群体(老年人除外)的活跃交通更多，南部地区比美国其他地区更低，城市化程度更高的地区更多。使用活跃交通工具的人的百分比呈现出明显的季节性模式：夏季月份较高，冬季月份较低。儿童和青少年比其他年龄段的人对季节性更敏感。女性、非高加索人、家庭收入较低的人、居住在中西部或东北部以及居住在城市化程度较高地区的人有较大的季节性变化。这些描述性结果表明，旨在促进积极交通的干预措施和政策需要考虑社会人口因素和季节性。
Active transportation including walking and bicycling is an important source of physical activity. Promoting active transportation is a challenge for the fields of public health and transportation. Descriptive data on the predictors of active transportation, including seasonal patterns in active transportation in the US as a whole, is needed to inform interventions and policies. This study analyzed monthly variation in active transportation for the US using National Household Travel Survey 2001 data. For each age group of children, adolescents, adults and elderly, logistic regression models were used to identify predictors of the odds of active transportation including gender, race/ethnicity, household income level, geographical region, urbanization level, and month. The probability of engaging in active transportation was generally higher for children and adolescents than for adults and the elderly. Active transportation was greater in the lower income groups (except in the elderly), was lower in the South than in other regions of the US, and was greater in areas with higher urbanization. The percentage of people using active transportation exhibited clear seasonal patterns: high during summer months and low during winter months. Children and adolescents were more sensitive to seasonality than other age groups. Women, non-Caucasians, persons with lower household income, who resided in the Midwest or Northeast, and who lived in more urbanized areas had greater seasonal variation. These descriptive results suggest that interventions and policies that target the promotion of active transportation need to consider socio-demographic factors and seasonality.
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