CPH chap 2

• Statistics can be regarded in two ways: as a method and as data.
• As a method, statistics refers to orderly processes of data collection, organization, presentation and interpretation (tabulation of data, computation of rates and frequency distribution, graphic presentation).
• As a data, statistics refers to quantitative data affected to a marked extent by a multiplicity of causes.
• Data are collected to measure something (number of deaths, births, specific diseases, hospital admissions).
• Uses of statistics include problems of estimates and problems of comparison.
• Demographic data include population size, age, sex, geographic distribution, mortality, morbidity, and growth rate.
• During the 16th week of 1995, Province X reported 157 cholera cases and 4 deaths.
• In the 3rd week of 1996, Province X reported 34 cholera cases and 5 deaths.
• During the 14th week of 1995, Province X reported 186 cholera cases and 16 deaths.
• In the 8th week of 1996, Province X reported 16 cholera cases and 3 deaths.
• In the 51st week of 1995, Province X reported 235 cholera cases and 38 deaths.
• During the 24th week of 1996,
• In the 7th week of 1996, Province X reported 20 cholera cases and 2 deaths.
• In the 5th week of 1996, Province X reported 18 cholera cases and 1 death.
• During the 13th week of 1995, Province X reported 176 cholera cases and 14 deaths.
• In the 4th week of 1996, Province X reported 53 cholera cases and 8 deaths.
• During the 22nd week of 1996, Province X reported 7 cholera cases and 1 death.
• Cholera cases and death: Province X, 48th week 1994 to 27th week 1995
• During the 21st week of 1996, Province X reported 18 cholera cases and 0 deaths.
• In the 6th week of 1996, Province X reported 15 cholera cases and 1 death.
• In the 2nd week of 1996, Province X reported 54 cholera cases and 10 deaths.
• During the 19th week of 1996, Province X reported 30 cholera cases and 0 deaths.
• In the 48th week of 1994, Province X reported 6 cholera cases and 3 deaths.
• During the 15th week of 1995, Province X reported 170 cholera cases and 14 deaths.
• During the 12th week of 1995, Province X reported 103 cholera cases and 5 deaths.
• During the 18th week of 1996, Province X reported 56 cholera cases and 1 death.
• In the 50th week of 1995, Province X reported 368 cholera cases and 166 deaths.
• In the 49th week of 1995, Province X reported 254 cholera cases and 85 deaths.
• In the 1st week of 1996, Province X reported 95 cholera cases and 0 deaths.
• During the 20th week of 1996, Province X reported 33 cholera cases and 4 deaths.
• During the 17th week of 1996, Province X reported 99 cholera cases and 3 deaths.
• In the 52nd week of 1995, Province X reported 176 cholera cases and 4 deaths.
• During the 23rd week of 1996, Province X reported 4 cholera cases and 0 deaths.
• Frequency distribution is a type of data for tabulation where the figures may either be in actual numbers, in percent or in both.
• Health status data include causes and distribution of mortality and morbidity as to residence, place of occurrence, age, sex.
• Tabulation refers to the arrangement of any data in an orderly sequence, so that they can be presented concisely and compactly and so that they can be understood easily.
• A parts of a table include the title, which should state the objective of the table, and stubs, which indicate the basis of classification of the rows or horizontal series of figures.
• Time series data include some variable changes over a period of time.
• Health-related socio-economic environmental factors data include water supply, excreta disposal, school enrolment, food establishment, transports, food intake/habits.
• Health resources data include number and distribution of health facilities, health manpower, health expenditures.