Department of Nursing, Facultad de Ciencias de la Salud, Universidad Rey Juan Carlos, Avenida de Atenas s/n, 28922 Alcorcón, Madrid, Spain.
Midwifery. 2012 Feb;28(1):112-9. doi: 10.1016/j.midw.2010.11.006. Epub 2011 Jan 17.
To analyse the factor structure and reliability of the Cambridge Worry Scale (CWS) in the Spanish population.
Prospective cross-sectional study using a postal questionnaire.
The study was conducted at a university hospital in Madrid between October 2007 and December 2008.
285 Spanish pregnant women.
Factor structure of a Spanish version (original 16 items test and reduced 13 items version) of the scale was analysed through exploratory factor analysis.
The Spanish version of the reduced 13 items version replicated the original factor structure. The internal consistency was good for the total scale (0.83) and for the subscales (0.70-0.79). Significant positive correlations between the CWS and its subscales with anxiety, depression and neuroticism were found. Similarly, acceptable to good reliability and convergent validity indexes were obtained for the original 16 items test.
The present study confirmed the validity of the two Spanish versions of the CWS (16 item and reduced 13 item). Considering the performance of two of the three items eliminated from the original version and the universality in the use of the short version we recommend the use of the reduced 13 item scale. Practical implications of the use of the CWS in maternity care are discussed.
分析剑桥忧虑量表（CWS）在西班牙人群中的结构因素和信度。
使用邮寄问卷的前瞻性横断面研究。
该研究于 2007 年 10 月至 2008 年 12 月在马德里的一家大学医院进行。
285 名西班牙孕妇。
通过探索性因素分析对量表的西班牙文版本（原始的 16 项测试和简化的 13 项版本）的结构因素进行分析。
简化的 13 项版本的西班牙文版本复制了原始的因素结构。总量表（0.83）和子量表（0.70-0.79）的内部一致性良好。CWS 及其子量表与焦虑、抑郁和神经质呈显著正相关。同样，原始 16 项测试也获得了可接受至良好的可靠性和收敛有效性指标。
本研究证实了 CWS 的两种西班牙文版本（16 项和简化的 13 项）的有效性。考虑到从原始版本中删除的三个项目中的两个项目的性能以及简短版本的普遍性，我们建议使用简化的 13 项量表。还讨论了在产科护理中使用 CWS 的实际意义。
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