Table 2.
Characteristics of analysis sample (N = 967).
| Variable | Evidence-based information (intervention; n = 483) | Existing website information (control; n = 484) |
|---|---|---|
| Mean (SD) | Mean (SD) | |
| Age (years) | 30.6 (4.18) | 30.3 (4.06) |
| n (%) | n (%) | |
|---|---|---|
| Country of residence | ||
| Australia | 230 (48) | 230 (48) |
| Netherlands | 253 (52) | 254 (52) |
| Relationship status | ||
| In a relationship (opposite sex) | 322 (67) | 309 (64) |
| In a relationship (same sex) | 16 (3) | 24 (5) |
| Not in a relationship | 142 (30) | 146 (30) |
| [missing] | 3 (1) | 5 (1) |
| Currently trying to conceive | ||
| No | 371 (77) | 369 (77) |
| Yes | 109 (23) | 111 (23) |
| [missing] | 3 (1) | 4 (1) |
| Importance of having children | ||
| Not important at all | 10 (2) | 6 (1) |
| Not very important | 34 (7) | 28 (6) |
| Neutral | 109 (23) | 119 (25) |
| Important | 183 (38) | 179 (37) |
| Very important | 144 (30) | 148 (31) |
| [missing] | 3 (1) | 4 (1) |
| Experience of infertility | ||
| Yes | 72 (15) | 77 (16) |
| No | 399 (83) | 395 (82) |
| Don’t know | 9 (2) | 8 (2) |
| [missing] | 3 (1) | 4 (1) |
| Chronic conditionsa | ||
| Polycystic ovary syndrome | 56 (12) | 40 (8) |
| Endometriosis | 24 (5) | 22 (5) |
| Thyroid disease | 32 (7) | 25 (5) |
| An autoimmune disease | 22 (5) | 24 (5) |
| Cancer | 5 (1) | 5 (1) |
| Primary ovarian insufficiency | 1 (0) | 1 (0) |
| Other | 9 (2) | 12 (2) |
| Family history of premature menopause | ||
| Yes | 39 (8) | 31 (6) |
| No | 369 (76) | 377 (78) |
| Don’t know | 71 (15) | 71 (15) |
| [missing] | 4 (1) | 5 (1) |
| Medical minimizer maximizer preference | ||
| Lean towards waiting and seeing | 244 (51) | 250 (52) |
| Lean towards taking action | 230 (48) | 225 (47) |
| [missing] | 9 (2) | 9 (2) |
| Residential location remoteness | ||
| Urban | 269 (56) | 272 (56) |
| Regional | 131 (27) | 122 (25) |
| Rural | 53 (11) | 59 (12) |
| Remote | 3 (1) | 1 (0) |
| [missing] | 27 (6) | 30 (6) |
| Main language spoken at home | ||
| English/Dutch | 450 (93) | 442 (91) |
| Other | 24 (5) | 27 (6) |
| [missing] | 9 (2) | 15 (3) |
| Education | ||
| High school or below | 96 (20) | 105 (22) |
| Diploma or certificate | 146 (30) | 163 (34) |
| Bachelor degree or above | 227 (47) | 201 (42) |
| [missing] | 14 (3) | 15 (3) |
| Health literacy screener | ||
| Low (‘inadequate’) health literacy | 105 (22) | 86 (18) |
| Adequate health literacy | 375 (78) | 392 (81) |
| [missing] | 3 (1) | 6 (1) |
| Private health insurance | ||
| Yes | 358 (74) | 358 (74) |
| No | 118 (24) | 120 (25) |
| [missing] | 7 (1) | 6 (1) |
| Prior knowledge of the AMH test | ||
| Yes | 52 (11) | 52 (11) |
| No | 414 (86) | 408 (84) |
| Don’t know | 14 (3) | 21 (4) |
| [missing] | 3 (1) | 3 (1) |
a
Chronic conditions were not mutually exclusive.