. 2023 Apr 26;23:283. doi: 10.1186/s12909-023-04255-8

Table 2.

Bivariate contrasts

Variable	Nursing	Contrast	Medicine	Contrast
Gender
Men	7.48 ± 2.87	Z = − 2.563*	8.01 ± 2.84	Z = − 3.779**
Women	8.26 ± 2.82	Z = − 2.563*	9.42 ± 2.73	Z = − 3.779**
Age		Rho = 0.340**		Rho = 0.524**
Academic course
1st Year	6.51 ± 2.07	χ² = 77.833**	7.08 ± 2.07	χ² = 117.512**
2nd Year	10.11 ± 2.23		7.11 ± 2.07
3rd Year	9.25 ± 2.52		8.52 ± 2.48
4th Year	8.40 ± 2.3.23		10.14 ± 2.43
5th Year			10.37 ± 2.73
6th Year			10.91 ± 1.93
Received sexuality training during the university degree
Yes	8.79 ± 2.86	Z = − 4.587**	10.41 ± 2.47	Z = − 8.628
No	7.22 ± 2.42	Z = − 4.587**	7.93 ± 2.57	Z = − 8.628
Source of information used to obtain information on sexuality and contraceptive methods
Internet	7.82 ± 2.80	χ² = 26.739**	9.04 ± 2.85	χ² = 15.227**
Healthcare professionals	9.30 ± 2.65		10.12 ± 2.67
Family	7.53 ± 2.89		8.63 ± 2.52
Friends	7.14 ± 2.12		7.87 ± 3.04
Has a partner
Yes	8.51 ± 2.82	Z = − 1.982*	9.74 ± 2.60	Z = − 4.383**
No	7.86 ± 2.80		8.39 ± 2.88
Pornography use during adolescence
Yes	8.14 ± 2.82	Z= -1.054	8.98 ± 2.95	Z = − 1.238
No	8.44 ± 2.86		9.31 ± 2.65
Self-perception of their knowledge about sexuality and contraceptive methods
Good	8.43 ± 2.85	χ² = 2.148	9.38 ± 2.82	χ² = 1.421
Regular	8.41 ± 2.86		9.17 ± 2.70
Bad	7.90 ± 2.75		8.83 ± 2.82
Had penetrative sex
Yes	8.48 ± 2.82	Z = − 2.685**	9.83 ± 2.68	Z = − 7.648**
No	7.44 ± 2.72	Z = − 2.685**	7.25 ± 2.21	Z = − 7.648**
Age at first intercourse		Rho = − 0.073		Rho= -0.030
Use of any contraceptive method during first intercourse
Yes	8.41 ± 2.79	Z = − 1.305	9.84 ± 2.73	Z = − 0.145
No	9.08 ± 3.01	Z = − 1.305	9.71 ± 2.34	Z = − 0.145
Contraceptive method used during first intercourse
Male condom	8.35 ± 2.78	χ² = 4.089	9.77 ± 2.78	χ² = 2.348
Hormonal contraceptive methods	11 ± 2.55		10.57 ± 2.19
Withdrawal method	7.5 ± 0.71		8 ± 0
Use of any contraceptive method during most recent intercourse
Yes	8.52 ± 2.84	Z = − 0.467	9.89 ± 2.60	Z = − 0.652
No	8.26 ± 2.69	Z = − 0.467	9.41 ± 3.22	Z = − 0.652
Contraceptive method used during the most recent intercourse
Male condom	8.03 ± 2.93	χ² = 15.402**	9.54 ± 2.63	χ² = 6.685*
Hormonal contraceptive methods	9.66 ± 2.30		10.55 ± 2.45
Withdrawal method	7.33 ± 3.22		9.67 ± 2.08
Knowledge about FPCs
Yes	8.95 ± 2.78	Z = − 2.710**	10.40 ± 2.69	Z = − 6.304**
No	7.98 ± 2.79	Z = − 2.710**	8.46 ± 2.63	Z = − 6.304**

FPCs, Family planning centers

*P < 0.05; **P < 0.01;

Rho = Spearmean Rho; Z: Contast with Mann–Whitney U; χ²: Contrast with Kruskal–Wallis H