How to easily create a bargraph for agegender

How to easily create a bar-graph for age-gender specific incidence rates per 1000 person -years in SPSS from individual data. Incidence Rate in 1000 person-years Sex Men Women 15. 00 10. 00 5. 00 0 -41 41 -48 48 -55 Grouped age 55+

In order to create a bar graph for age-sex specific incidence rates, we need to: 1. Create aggregated data on: (A) Total number of incidence events in each age-sex category. (B). Total number of follow-up time in each age-sex category. 2. Compute incidence rate in 1000 person years by diving the above (1) by (2) multiply by 1000. 3. Create a bar-graph to plots the data.

Dataset to be used (individual patient data): Read Framchd. sav data into SPSS. CHDFATE: 1: CHD event, 0: CHD non-event FUyears: Follow-up length (in years)

How to create aggregated data in SPSS (1): Go to: Data, Aggregate, …

Select Age. Grp as Breakdata Variables How SEX to create aggregated in SPSS (2): Select FUyears and CHDFATE as Summaries of Variables (*) Click on Function (you need to click on the variable * first in order to activate this) Select Replace working data with aggregated variables only OK

How to create aggregated variable in SPSS (1). Select Sum under Number of Cases for both FUyears and CHDFATE , Continue

Aggregated Data

Compute incidence rate in 1000 person years

Create a bar-graph to plots the data. Graphs Interactive Bar Select INC_RATE as Y-axis, Grouped Age as X-axis, SEX as Legend variable

Incidence Rate in 1000 person-years Sex Men Women 15. 00 10. 00 5. 00 0 -41 41 -48 48 -55 Grouped age 55+