Visintainer P F, Matthews K A
University of Pittsburgh, PA.
Child Dev. 1987 Dec;58(6):1586-91.
The stability of Type A behaviors in children was evaluated in a 2- and 5-year longitudinal study. Type A behaviors were rated by the children's classroom teachers using the Matthews Youth Test for Health (MYTH). MYTH ratings were obtained annually for 3 years on children from 3 inner-city parochial schools (initial N = 317) and for 6 years on children from 3 suburban public schools (initial N = 434). Participants were predominantly Caucasian and in grades K, 2, 4, and 6 when the project began in 1979. Correlations for total Type A scores for the 2-year follow-up period were .38 and .45 in the suburban and urban samples, respectively, collapsing across grade and sex. There were no significant differences in the magnitude of correlations between the samples or between sex or grade subgroups within each sample. The correlation for total Type A score for the 5-year follow-up period was .39 in the suburban sample, and no differences in the magnitude of the correlations between sex or grade subgroups were found. The stability of children's Type A behaviors across 2 and 5 years compares favorably to the stability of other cardiovascular risk factors in children.
在一项为期2年和5年的纵向研究中，对儿童A型行为的稳定性进行了评估。儿童的A型行为由其班级教师使用马修斯青少年健康测试（MYTH）进行评分。对来自3所市中心教区学校的儿童（初始样本量N = 317）进行了3年的年度MYTH评分，对来自3所郊区公立学校的儿童（初始样本量N = 434）进行了6年的年度MYTH评分。参与者主要为白种人，该项目于1979年启动时他们分别处于幼儿园、二年级、四年级和六年级。在郊区和城市样本中，2年随访期内A型行为总分的相关性分别为0.38和0.45，不考虑年级和性别因素。样本之间以及每个样本中的性别或年级亚组之间的相关性大小没有显著差异。在郊区样本中，5年随访期内A型行为总分的相关性为0.39，在性别或年级亚组之间未发现相关性大小存在差异。儿童A型行为在2年和5年期间的稳定性与儿童其他心血管危险因素的稳定性相比情况良好。
