BACKGROUND Anxiety during pregnancy is one of the most common mental health problems and a significant risk factor for postpartum depression. The Generalized Anxiety Disorder-7 (GAD-7) is one of the most widely used self-report measures of anxiety symptoms available in multiple languages. This study evaluates the psychometric properties and underlying factor structures of the Spanish GAD-7 among pregnant women in Spain. METHOD Spanish-speaking pregnant women (N = 385) were recruited from an urban obstetrics setting in Northern Spain. Women completed the GAD-7 and the anxiety subscale of the Symptom Checklist (SCL90-R) at three time points, once per trimester. The reliability, concurrent validity, and factor analyses were conducted to evaluate the psychometric properties and factor structure, respectively. RESULTS In the first trimester, the GAD-7 demonstrated good internal consistency (a = 0.89). GAD-7 is positively correlated with SCL90-R (anxiety subscale; r=0.75; p < 0.001). The proposed one-factor structure is found using exploratory factor analysis -FACTOR program - with Unweighted Least Squares procedure and optimal implementation of parallel analysis (GFI = 0.99). CONCLUSIONS Health providers should screen for anxiety using the GAD-7 during pregnancy among urban Spanish-speaking samples to provide appropriate follow-up care.

中文翻译：

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广泛性焦虑症筛查工具 (GAD-7) 在西班牙孕妇中的验证。

背景 怀孕期间的焦虑是最常见的心理健康问题之一，也是产后抑郁症的重要危险因素。广泛性焦虑症 7 (GAD-7) 是使用最广泛的焦虑症状自我报告测量方法之一，有多种语言版本。本研究评估了西班牙孕妇中西班牙 GAD-7 的心理测量特性和潜在因素结构。方法 从西班牙北部的城市产科招募了讲西班牙语的孕妇（N = 385）。女性在三个时间点完成了 GAD-7 和症状检查表 (SCL90-R) 的焦虑分量表，每三个月一次。进行信度、同时效度和因子分析以分别评估心理测量特性和因子结构。结果在头三个月，GAD-7 表现出良好的内部一致性（a = 0.89）。GAD-7 与 SCL90-R 呈正相关（焦虑量表；r=0.75；p < 0.001）。使用探索性因子分析 -FACTOR 程序 - 使用未加权最小二乘程序和并行分析的最佳实施（GFI = 0.99）找到建议的单因子结构。结论 健康提供者应在怀孕期间使用 GAD-7 筛查城市西班牙语样本中的焦虑，以提供适当的后续护理。