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The objectives of this study were to determine the impact of different personal invitations on screening mammography attendance and to clarify the influence of personal characteristics and health-related attitudes and behaviors on compliance. One thousand and five hundred women, aged 50-74 years, were randomly selected in the city of Haifa. Four letters of invitation were used. Actual mammography performance was validated by a national computerized database. All other data was collected via a telephone interview following the mammography. The overall compliance rate amounted to 45%. The major predictors of compliance were having had a clinical breast examination within the previous year (p = 0.0008), having a health professional recommend routine mammography (p = 0.01) and perceiving mammography as efficient in early detection of breast cancer (p = 0.02). Aggressiveness of message details, or a family physician's or higher authority's signature on the letter had no impact on compliance. A letter of invitation for a routine mammogram at a specific time resulted in an overall rate of compliance 3-fold higher than the baseline. Based on the results of this study. Kupat Holim Clalit decided to implement use of personal invitations for screening mammography to israeli women on a regular basis.

The yield of bone scintigraphy was assessed in a general hospital. A random 1:2 sample of the bone studies performed within a year was evaluated. The referral forms were judged to show absent, ambiguous or clear diagnostic questions. The indications for which the study was ordered were matched with the scintigraphic diagnosis, and yield was defined as the proportion of studies with relevant findings on scintigraphy. The overall yield was 23.5%. In cancer patients the yield was 27.2% and in repeat studies 40.2%. In non-cancer patients the yield was 19.8% and when scintigraphy was performed for the evaluation of specific disease entities it was 35.7%. Relatively low-yield indications in non-cancer patients were suspected metastases 11.1%, and evaluation of X-ray abnormalities 11.5%. An association between the clarity of the diagnostic question and the scintigraphic yield was detected in non-cancer patients. When a diagnostic question was absent the yield was 12%, ambiguous 19%, and when it was clear 26%. This correlation is probably attributed to better understanding of this common procedure, and better definition of the diagnostic question in patients with diverse clinical conditions as compared to cancer patients in whom the question always relates to the presence of bone metastases.

Until 1975 in Israel the mortality rates in men greater than or equal to 25 years old were higher in Jews than non-Jews. Since then the relationship has been reversed with higher rates in the non-Jewish group. The three main causes of death in the two groups were heart disease, cancer and cerebrovascular disease (CVA). Death rates from total heart diseases rose in the non-Jewish population during 1970-82, whereas in the Jewish men there were only slight changes. With regard to cancer, death rates were higher in the Jewish group, but from 1970 to 1978 it increased in both groups, the change being relatively higher in non-Jews. Mortality from CVA was higher among Jews at the beginning of the study period, but since 1978 the rates remained higher in the non-Jewish population. Death from heart disease, cancer and CVA can partially explain the reversal in total mortality rates in 1975. A comparison of the data of Israeli men with those of Israeli women shows that the mortality rates of the non-Jewish population of both sexes have changed dramatically over the last decade. These findings have important implications for the planning of further research and for priority determination in health care planning.

Until 1975 in Israel mortality rates in women aged greater than or equal to 25 years old were higher among Jewish women than non-Jewish women. Since then the relationship has been reversed with higher rates in the non-Jewish group. The three main causes of death in the two groups were heart disease, cancer and cerebrovascular disease (CVA). The proportional mortality and death rates from total heart diseases rose in the non-Jewish population during 1970-82, whereas in Jewish women there were only slight changes. With regard to cancer, the proportional mortality and death rates were higher in the Jewish group. However, from 1970 to 1982 cancer mortality in the Jewish population declined continuously, while in the non-Jewish group it rose. Mortality from CVA rose in both Jewish and non-Jewish women until 1974, but then declined. Since then, the rates remained considerably higher in the non-Jewish population. Death from heart disease, cancer and CVA can partially explain the reversal in total mortality rates in 1975.