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Table 2 Summary of data on readiness for twins as reported by husbands and wives before embarking on fertility treatment.

From: Pre-treatment preferences and characteristics among patients seeking in vitro fertilisation

  Twins would be a very undesirable outcome I would be a little worried about having twins It is irrelevant & I don't care about twins I'm only mildly interested in twins I would be very excited - twins would be highly desirable TOTAL
Wife 2
(1.0)
29
(14.6)
28
(13.6)
21
(11.2)
121
(59.7)
206
Husband 4
(2.0)
23
(11.4)
44
(21.9)
17
(8.5)
113
(56.2)
201
  1. Notes: Not all patients answered every question. Cohen's Kappa for agreement, κ = 0.61 (95% CI 0.53 to 0.70) [1000 bootstrap simulations; BCa CI], showed good agreement between husband vs. wives on readiness for twins (77% agreement; κ = 0.61; 95% CI 0.53 to 0.70).