OBJECTIVES To examine the association of changes in pediatricians' work characteristics with their satisfaction using longitudinal data. METHODS Data from a cohort study, the American Academy of Pediatrics Pediatrician Life and Career Experience Study (PLACES), were used to examine self-reported work satisfaction from 2012 to 2020 among 2002-2004 and 2009-2011 residency graduates (N = 1794). Drawing from the Physician Worklife Study, work satisfaction was measured as a 4-item scale score and averaged [range, 1 (low)-5 (high)]. Mixed effects linear regression for longitudinal analysis examined work satisfaction with year as the lone explanatory variable and then with 11 variables that might change over time (time variant) to assess how changes in work might be linked to increased or decreased satisfaction. RESULTS In total, 85.9% of pediatricians in 2020 (September-December) thought their work was personally rewarding. Overall mean work satisfaction scale score displayed a small but significant (P < .001) decrease over time (3.80 in 2012 to 3.69 in 2020). Mixed effects modeling identified several changes associated with increasing work satisfaction over time: increased flexibility in work hours (B = 0.23; 95% confidence interval, 0.20 to 0.25) and personal support from physician colleagues (B = 0.18; 95% confidence interval, 0.15 to 0.21) had the largest associations. Pediatricians reporting increased stress balancing work and personal responsibilities and increased work hours had decreased satisfaction scores. CONCLUSIONS Early- to midcareer pediatricians expressed high levels of work satisfaction, though, satisfaction scale scores decreased slightly over time for the sample overall, including during 2020 (year 1 of the coronavirus disease 2019 pandemic). Pediatricians reporting increases in flexibility with work hours and colleague support showed the strongest increase in work satisfaction.

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工作特征和儿科医生满意度的变化：2012-2020。

目的 使用纵向数据检查儿科医生工作特征的变化与他们的满意度之间的关系。方法 来自美国儿科学会儿科医生生活和职业经历研究 (PLACES) 的队列研究数据用于检查 2002-2004 年和 2009-2011 年住院医师毕业生自 2012 年至 2020 年的工作满意度（N = 1794） . 根据医师工作生活研究，工作满意度采用 4 项量表评分并取平均值 [范围，1（低）-5（高）]。用于纵向分析的混合效应线性回归检查了工作满意度，将年份作为唯一的解释变量，然后使用 11 个可能随时间变化的变量（时间变量）来评估工作变化如何与满意度增加或降低相关联。结果 总共有 85 个。2020 年（9 月至 12 月）有 9% 的儿科医生认为他们的工作对个人而言是有益的。随着时间的推移，总体平均工作满意度量表得分略有下降（P < .001）（2012 年为 3.80，2020 年为 3.69）。混合效应模型确定了与随着时间的推移提高工作满意度相关的几个变化：工作时间的灵活性增加（B = 0.23；95% 置信区间，0.20 到 0.25）和医生同事的个人支持（B = 0.18；95% 置信区间，0.15到 0.21）具有最大的关联。儿科医生报告压力平衡工作和个人责任增加以及工作时间增加，满意度得分降低。结论 职业生涯早期到中期的儿科医生表达了很高的工作满意度，但是，整个样本的满意度量表分数随着时间的推移而略有下降，包括在 2020 年（2019 年冠状病毒病大流行的第一年）。儿科医生报告称，随着工作时间和同事支持的灵活性增加，工作满意度的增长最为强劲。