Table 2

Frequency and mode for the different qualitative variable categories

Variable	Category	Frequency	%	Variable	Category	Frequency	%
Sex*	F	77	15.34	Mobbing*	Mob-H	20	3.98
Sex*	ML†	425	84.66		Mob-L†	351	69.92
Age*	T1	52	10.36		Mob-M	131	26.10
	T2†	232	46.22	Relations*	Rel-H	8	1.59
	T3	218	43.43		Rel-L	169	33.67
Height*	A1	44	8.76		Rel-M†	325	64.74
	A2	171	34.06	Health*	Hea-H	38	7.57
	A3†	287	57.17		Hea-L	149	29.68
Weight*	P1	130	25.90		Hea-M†	315	62.75
	P2	157	31.27	Recognition*	Rec-H	69	13.75
	P3†	215	42.83		Rec-L	168	33.47
BMI*	W0	2	0.40		Rec-M†	265	52.79
	W1	164	32.67	Autonomy*	Aut-H	35	6.97
	W2†	236	47.01		Aut-L	206	41.04
	W3	87	17.33		Aut-M†	261	51.99
	W4	13	2.59	Emotional*	Emo-H	156	31.08
Crop area*	S1	108	21.51		Emo-L	29	5.78
	S2	75	14.94		Emo-M†	317	63.15
	S3†	319	63.55	Support*	Sup-L†	295	58.76
Irrigation system	R0	242	48,21	Support*	Sup-M	207	41.24
Irrigation system	R1†	260	51.79	Compensation*	Com-H	13	2.59
Cultivation system*	O1	138	27.49		Com-L	179	35.66
	O2	148	29.48		Com-M†	310	61.75
	O3†	186	37.05	Control*	Con-H	24	4.78
	O4	13	2.59		Con-L	149	29.68
	O5	11	2.19		Con-M†	329	65.54
	O6	6	1.20	Demands*	Dem-H	44	8.76
Origin*	Afr	113	22.51		Dem-L	20	3.98
	EurE	86	17.13		Dem-M†	438	87.25
	His	26	5.18	Mental load*	MeL-L†	276	54.98
	Spa†	277	55.18	Mental load*	MeL-M	226	45.02
Rhythm*	Rhy-H	10	1.99
	Rhy-L	159	31.67
	Rhy-M†	333	66.33

* χ2 test (p<0.05).
†Mode.
BMI, body mass index.