Table 3.
Comparison of pairs of items within categories using the Wilcoxon signed rank test
| CATEGORY | ITEMS COMPARED | Z STATISTIC | P VALUE |
|---|---|---|---|
| Patient’s age | Teenager vs young adult | −3.305 | .001 |
| Teenager vs approaching middle age | −2.840 | .005 | |
| Young adult vs approaching middle age | −1.378 | .168 | |
| Patient’s parity | Nulliparous vs primiparous or multiparous | −2.741 | .006 |
| Patient’s SES | Low SES vs middle SES | −3.086 | .002 |
| Low SES vs high SES | −3.472 | .001 | |
| Middle SES vs high SES | −2.801 | .005 | |
| Comorbidities | 1 weight-related comorbidity vs > 1 weight-related comorbidity | −0.462 | .644 |
| Familiarity with the patient | Familiar vs somewhat familiar | −1.714 | .087 |
| Familiar vs not at all familiar | −2.554 | .011 | |
| Somewhat familiar vs not at all familiar | −3.082 | .002 | |
| Understanding of patient’s culture | Yes vs no | −5.618 | < .001 |
| Perceived quality of the clinician-patient relationship | Above average vs average | −4.030 | < .001 |
| Above average vs below average | −6.180 | < .001 | |
| Average vs below average | −6.017 | < .001 | |
| Attendance alone or accompanied | Alone vs companion with underweight BMI | −4.654 | < .001 |
| Alone vs companion with normal BMI | −4.075 | < .001 | |
| Alone vs companion with overweight BMI | −4.467 | < .001 | |
| Alone vs companion with obese BMI | −4.467 | < .001 | |
| Companion with underweight BMI vs with normal BMI | −2.724 | .006 | |
| Companion with underweight BMI vs with overweight BMI | −0.535 | .592 | |
| Companion with underweight BMI vs with obese BMI | −0.284 | .776 | |
| Companion with normal BMI vs with overweight BMI | −1.174 | .240 | |
| Companion with normal BMI vs with obese BMI | −1.186 | .235 | |
| Companion with overweight BMI vs with obese BMI | −0.333 | .739 | |
| Comparison of patient’s prepregnancy BMI to clinician’s own BMI | A lot lower vs lower | 0.000 | > .99 |
| A lot lower vs the same | 0.000 | > .99 | |
| A lot lower vs higher | −1.834 | .067 | |
| A lot lower vs a lot higher | −2.107 | .035 | |
| Lower vs the same | −0.447 | .655 | |
| Lower vs higher | −1.563 | .118 | |
| Lower vs a lot higher | −1.903 | .057 | |
| The same vs higher | −2.025 | .043 | |
| The same vs a lot higher | −2.358 | .018 | |
| Higher vs a lot higher | −2.310 | .021 | |
| Degree to which the clinic is running on time | On time vs 30 min late | −6.422 | < .001 |
| On time vs 60 min late | −6.276 | < .001 | |
| 30 min late vs 60 min late | −4.111 | < .001 | |
| Time allotted to prenatal visit | 30 min vs 20 min | −4.667 | < .001 |
| 30 min vs 15 min | −5.872 | < .001 | |
| 30 min vs 10 min | −6.296 | < .001 | |
| 20 min vs 15 min | −5.300 | < .001 | |
| 20 min vs 10 min | −5.333 | < .001 | |
| 15 min vs 10 min | −4.507 | < .001 |
BMI—body mass index, SES—socioeconomic status.