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5 The employees of employers covered in the survey are in scope if they received pay for the reference period, except:
SURVEY METHODOLOGY AND DESIGN
6 The sample of employees is obtained using a two stage selection approach. The first stage involves the Australian Bureau of Statistics (ABS) selecting a probability sample of businesses from the ABS Business Register. The selection unit for the first stage comprises all activities of an employer in a particular state or territory. Units on the Business Register are stratified into homogenous groups using the following variables: state, sector, industry, and employment size. Within each stratum statistical units are selected with equal probability.
7 In the second stage the selected employers are asked to select a random sample of employees from their payrolls using instructions provided by the ABS. Data for approximately 53,000 employees from a sample of approximately 8,000 employer units contributed to the results in this publication.
8 The May 2002 survey includes adjustments to the estimates to allow for the time lag between businesses commencing operation and their inclusion on the ABS Business Register. For more details refer to the Information Paper: Improvements to ABS Economic Statistics, 1997 (cat. no. 1357.0).
9 Industry data has been classified according to the Australian and New Zealand Standard Industrial Classification (ANZSIC), 1993 (cat. no. 1292.0).
10 Employees selected in the Survey of Employee Earnings and Hours are classified to the industry of the business in which they are employed (see paragraph 6).
11 Occupation data has been classified according to the Australian Standard Classification of Occupations (ASCO), Second Edition (cat. no. 1220.0).
12 Care should be taken when comparing survey estimates based on ASCO groups with estimates based on the managerial/non-managerial status of employees, which is determined and reported by the employer. Estimates for employees with managerial status include employees classified to ASCO categories other than the ASCO major group ‘Managers and administrators’; e.g. employees classified as ‘Professionals’ according to ASCO may be categorised by employers as having managerial status. Conversely, tables in this publication which contain estimates for non-managerial employees (as defined by employers) will include some employees who would be classified to the ASCO major group ‘Managers and administrators’.
METHODS OF SETTING PAY
13 Questions on how employees' pay was set in the survey reference period were included in the survey for the first time in May 2000. The questions collected data on whether all or any part of their pay was set by an individual agreement, collective agreement, award, or a combination of these. Data was also collected on whether agreements (individual and collective) were certified, approved or registered with an industrial tribunal or authority.
14 In May 2002, the questions on how employees' pay was set in the survey reference period were changed to collect data on whether the main part of their pay was set by individual agreement, collective agreement or award. It is considered unlikely that this change will affect comparability of data between surveys. Data was again collected on whether agreements were certified, approved or registered with an industrial tribunal or authority.
15 Estimates of the number of employees based on the EEH survey are provided in the following table to assist in interpreting publication tables that contain proportions of employees for earnings ranges and methods of setting pay. Other estimates of employees, classified by selected characteristics, may be available on request to assist users in interpreting other estimates from the survey. Although the EEH survey can provide estimates of the number of employees, it is not designed specifically for this purpose (the ABS Labour Force Survey is the primary source for official ABS statistics of employment). Therefore, care should be taken in the interpretation and use of such estimates.
COMPARABILITY OF RESULTS
16 Care should be taken when comparing estimates of average weekly earnings from this survey with those published quarterly in Average Weekly Earnings, Australia (cat.no.6302.0), as different sample design and survey methodologies are used. The Survey of Average Weekly Earnings collects information relating to the total gross earnings and the total number of employees of employer units selected in the survey. The average weekly earnings measures are derived by dividing total gross earnings by the number of employees. The Survey of Employee Earnings and Hours collects information about weekly earnings of a sample of employees within the employer units selected. In addition, the size of the employer sample for the Survey of Employee Earnings and Hours is larger than that for the Survey of Average Weekly Earnings.
RELIABILITY OF ESTIMATES
17 Estimates are subject to sampling and non-sampling errors. For information on the reliability of estimates see the Technical Note.
18 Users may also wish to refer to the following publications:
19 Current publications and other products released by the ABS are listed in the Catalogue of Publications and Products, Australia (cat. no. 1101.0). The Catalogue is available from any ABS office or the ABS web site. The ABS also issues a daily Release Advice on the web site which details products to be released in the week ahead.
20 Estimates of earnings shown in the tables are rounded to the nearest 10 cents and those of average weekly hours paid for are rounded to the first decimal place.
21 Estimates of proportions of employees for earnings ranges and methods of setting pay are rounded to one-tenth of a percentage point.
22 Where figures have been rounded, discrepancies may occur between sums of the component items and totals.
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