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Data relating to micronucleus occurrence in smokers (A), nonsmokers and nondrinkers (B), and smokers and drinkers (C).
| Subgroup | N | Micronucleus | Total cells | χ 2 | χ 2 partitions (DF = 1) |
|---|---|---|---|---|---|
| A | 24 | 35 | 61,983 | 8.4734 | A versus B: χ 2 = 6.0345; P = 0.0140a |
| B | 25 | 15 | 55,734 | df = 2 | A versus C: χ 2 = 0.4788; P = 0.4890b |
| C | 11 | 16 | 23,004 | P = 0.0145 | B versus C: χ 2 = 7.5195; P = 0.0061a |
|
| |||||
| Total | 60 | 66 | 140,721 | ||
aSignificant, bnonsignificant.
