2.3. Outcome measures
Measles cases were identified via three sources, using the
following case classifications:
1. Questionnaire: a generalized rash lasting 3 days,
and fever 38.0ºC, and either cough, coryza, or conjunctivitis,
2. GP records: measles diagnosis and/or presence of
measles-associated complications, with or without the
ICPC-code A71, and
3. MHS records: cases notified by the GPs to the MHS
[18].
The consultation rate is defined as the number of cases
according to the GP’s records divided by the number according
to the questionnaire; the notification rate as the
number of cases according to the MHS records divided by
the number according to the GP’s records; and the completeness
of notification as the number of cases notified to the MHS
divided by the number according to the questionnaire.
2.4. Data analyses
Data from the questionnaire were processed automatically
using Teleform software and analyzed using SPSS 10.1
software.
The reliability of the statements about perceived seriousness
of this illness episode and of parents’ views on
respiratory tract infections was assessed by calculating the
intracorrelation coefficient (Cronbach’s α) with the following
results: perceived seriousness of this illness episode
(11 items, α 0.91), need to consult a GP in case of respiratory
tract infection (three items, α 0.87), and the perceived
self-limiting character of respiratory tract symptoms (three
items, α 0.71) [16]. Results were expressed as means.
The association between patients’ characteristics (age,
gender, complications), family characteristics (vaccination
status, family size), perceived seriousness of this illness
episode, and parents’ views on respiratory tract symptoms on
the one hand, and GP consultation on the other hand, was
determined by means of a multivariable logistic regression
analysis (method: enter). Age (categories 0 through 3 years
(preschool age) and above 3 years), gender, and all factors
with a P-value .20 in the bivariate analysis were
entered in the multivariate analysis model. The analyses
were performed containing only one randomly selected child
per family (n 81 = families).
2.3. Outcome measuresMeasles cases were identified via three sources, using thefollowing case classifications:1. Questionnaire: a generalized rash lasting 3 days,and fever 38.0ºC, and either cough, coryza, or conjunctivitis,2. GP records: measles diagnosis and/or presence ofmeasles-associated complications, with or without theICPC-code A71, and3. MHS records: cases notified by the GPs to the MHS[18].The consultation rate is defined as the number of casesaccording to the GP’s records divided by the number accordingto the questionnaire; the notification rate as thenumber of cases according to the MHS records divided bythe number according to the GP’s records; and the completenessof notification as the number of cases notified to the MHSdivided by the number according to the questionnaire.2.4. Data analysesData from the questionnaire were processed automaticallyusing Teleform software and analyzed using SPSS 10.1software.The reliability of the statements about perceived seriousnessof this illness episode and of parents’ views onrespiratory tract infections was assessed by calculating theintracorrelation coefficient (Cronbach’s α) with the followingresults: perceived seriousness of this illness episode(11 items, α 0.91), need to consult a GP in case of respiratorytract infection (three items, α 0.87), and the perceivedself-limiting character of respiratory tract symptoms (threeรายการ α 0.71) [16] ผลลัพธ์ถูกแสดงเป็นความสัมพันธ์ระหว่างลักษณะของผู้ป่วย (อายุเพศ ภาวะแทรกซ้อน), ลักษณะครอบครัว (ฉีดวัคซีนสถานะ ขนาดครอบครัว), รับรู้ความรุนแรงของโรคนี้ตอนที่ และมุมมองของพ่อแม่ในอาการทางเดินหายใจในมือหนึ่ง และให้คำปรึกษา GP คงกำหนดโดยวิธีการถดถอยโลจิสติก multivariableวิเคราะห์ (วิธี: ป้อน) อายุ (ประเภท 0 ถึง 3 ปี(preschool age) และ 3 ปี), เพศ และปัจจัยทั้งหมดด้วย P-ค่า.20 วิเคราะห์ bivariateป้อนในแบบจำลองการวิเคราะห์ตัวแปรพหุ การวิเคราะห์การดำเนินการที่ประกอบด้วยเด็กสุ่มเลือกเพียงหนึ่งต่อครอบครัว (n 81 =ครอบครัว)
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