Campos Lucas Arrais, Kaikkonen Terhi, Ylitervo Kaisa, Ylikontiola Leena, Sofia Silvola Anna-
Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland; Department of Ear and Oral Diseases, Tampere University Hospital, Tampere, Finland; Faculty of Health Sciences, Institute of Dentistry, University of Eastern Finland, Kuopio, Finland; School of Dentistry, São Paulo State University (UNESP), Araraquara, Brazil.
Research Unit of Population Health, University of Oulu, Oulu, Finland; Wellbeing Services County of Kainuu, Kainuu, Finland.
Acta Odontol Scand. 2025 Jan 30;84:54-64. doi: 10.2340/aos.v84.42833.
This study aimed to translate and adapt the Malocclusion Impact Questionnaire (MIQ) into Finnish; to estimate its psychometric properties when applied to Finnish adolescents; and to estimate the effect of demographic characteristics on the perceived impact of malocclusion.
The Finnish version of MIQ (MIQ-Fi) was established through translation, back-translation, and a pilot study. Psychometric properties were estimated using factorial validity (confirmatory factor analysis [CFA]), convergent validity (Average Variance Extracted [AVE]), and reliability (αordinal and ω). Structural Equation Model estimated the effect of demographic characteristics on malocclusion impact.
A total of 268 Finnish adolescents participated in the study (mean age = 13.4 [standard deviation, SD = 1.5] years, 48.5% girls). MIQ-Fi factor model presented an adequate fit to the data after refinements (CFA: comparative fit index [CFI] = 0.96, Tucker-Lewis index [TLI] = 0.95, standardized root mean square residual [SRMR] = 0.08, exclusion of 4 items and 1 correlation between items error). Convergent validity (AVE = 0.61) and reliability (αordinal and ω ≥ 0.90) were adequate. Gender and self-reported need for orthodontic treatment had moderate effects on malocclusion impact (βstandardized = 0.36 and 0.30, respectively, p < 0.01), while other demographic characteristics had weak effects (βstandardized < |0.18|, p < 0.04).
MIQ-Fi demonstrated adequate psychometric properties and can measure malocclusion impact in Finnish adolescents. Demographic characteristics had weak to moderate effect on the malocclusion impact.
本研究旨在将错牙合影响问卷（MIQ）翻译成芬兰语并进行改编；评估其应用于芬兰青少年时的心理测量特性；并评估人口统计学特征对错牙合感知影响的作用。
通过翻译、回译和预试验建立了芬兰语版的MIQ（MIQ-Fi）。使用因子效度（验证性因子分析[CFA]）、收敛效度（平均提取方差[AVE]）和信度（α序数和ω）评估心理测量特性。结构方程模型估计人口统计学特征对错牙合影响的作用。
共有268名芬兰青少年参与了本研究（平均年龄 = 13.4岁[标准差，SD = 1.5]，48.5%为女孩）。经过改进后，MIQ-Fi因子模型对数据呈现出良好的拟合度（CFA：比较拟合指数[CFI] = 0.96，塔克-刘易斯指数[TLI] = 0.95，标准化根均方残差[SRMR] = 0.08，排除4个项目和1个项目间误差相关性）。收敛效度（AVE = 0.61）和信度（α序数和ω≥0.90）良好。性别和自我报告的正畸治疗需求对错牙合影响有中度作用（标准化β分别为0.36和0.30，p < 0.01），而其他人口统计学特征作用较弱（标准化β < |0.18|，p < 0.04）。
MIQ-Fi表现出良好的心理测量特性，可用于测量芬兰青少年的错牙合影响。人口统计学特征对错牙合影响的作用较弱至中度。
