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Table 2 Statistical output concerning the number of observations, χ2 values, and differences between the hunters’ real use and their expected use of sources of information on the impact of lead and on knowledge on non-lead ammunition

From: Non-lead rifle ammunition: Danish hunters’ attitudes

   Lead    Non-lead  
Source of information Observations χ2 Difference real/expected Observations χ2 Difference real/expected
Hunting colleagues 981 380.6 449.7 792 239.8 332.1
Hunting organizations 1356 2.2 53.1 991 4.6 65.1
Other organizations 603 6.6 60 448 1 20.7
Hunting stores 603 68.8 − 241 756 0.3 14.2
Authorities 719 150.5 − 412.7 330 170.7 − 337.5
Universities 292 35.2 − 120.4 172 45.2 − 113.7
Newspapers 715 8.7 74.8 284 5.5 − 42.6
Social media 329 0.4 11.4 242 1.7 19.2
Other 249 126.3 125.1 141 19.1 43.3