Table 7. Standard errors for 3-month and 12-month percent changes, Employment Cost Index for total compensation(1), for State and local government workers, by occupational group and industry, Sep. 2017 (Not seasonally adjusted) Standard Error Occupational group and industry 3-months 12-months ended– ended– Sep. 2017 State and local government workers All workers................................................................... .1 .1 Occupational group Management, professional, and related..................................... .1 .1 Professional and related................................................ .1 .2 Sales and office.......................................................... .1 .2 Office and administrative support....................................... .1 .2 Service occupations....................................................... .1 .2 Industry Education and health services............................................. .1 .1 Educational services.................................................... .1 .1 Schools(2)............................................................ .1 .2 Elementary and secondary schools.................................... .1 .2 Health care and social assistance(3).................................... .1 .3 Hospitals............................................................. .2 .4 Public administration..................................................... .1 .2 1 Includes wages, salaries, and employer costs for employee benefits. 2 Includes elementary and secondary schools; junior colleges; colleges, universities, and professional schools. 3 Includes ambulatory health care services and social assistance, not shown separately.