Modelling the influence of socio-demographic attributes on students’ trip generation at Kwame Nkrumah University of Science and Technology (KNUST) campus

Figures & data

Figure 1. Methodological steps summary.

Source: Authors’ construct

Figure 2. Profile of KNUST.

Source:Authors’ construct

Table 1. Socio-demographic features.

Variable	Frequency	Percentage
Gender
Male	72	64.86
Female	39	35.14
Total	111	100.00
Age category
16–21	38	34.23
22–24	56	50.45
25+	17	15.32
Total	111	100.00
Level of education
Undergraduate	94	84.68
Postgraduate	17	15.32
Total	111	100.00
Household size
1	13	11.71
2	35	31.53
3	18	16.22
4	45	40.54
Total	111	100.00
Monthly income (Ghȼ)
50–200	46	41.44
201–400	26	23.42
401–600	14	12.61
601–800	7	6.31
801–1000	7	6.31
1000+	11	9.91
Total	111	100.00
Vehicle ownership
Yes	6	5.41
No	105	94.59
Total	111	100.00

Source: Authors’ field survey

Figure 3. Purpose of trips.

Source: Authors’ field survey

Table 2. Test for model fitness.

ANOVA
Model		Sum of Squares	df	Mean Square	F	Sig.
1	Regression	16.573	6	2.762	2.633	0.020^b
	Residual	109.103	104	1.049
	Total	125.676	110

^aDependent Variable: number of trips^bPredictors: (Constant), Level of Education, Trip purposes, vehicle ownership, household size, monthly income, Age CategorySource: Authors’ field survey

Table 3. Coefficients of the regression model.

Coefficients
Model		Unstandardized Coefficients		Standardized Coefficients	t	Sig.	95.0% Confidence Interval for B
		B	Std. Error	Beta			Lower Bound	Upper Bound
1	(Constant)	0.348	0.782		0.444	0.658	−1.204	1.899
	Age Category	0.369	0.177	0.235	2.081	0.040	0.017	0.721
	monthly income	0.015	0.070	0.024	0.216	0.829	−0.123	0.154
	household size	0.236	0.108	0.240	2.177	0.032	0.021	0.451
	vehicle ownership	−0.082	0.453	−0.017	−0.180	0.857	−0.981	0.817
	Trip purposes	−0.071	0.050	−0.136	−1.426	0.157	−0.169	0.028
	Level of Education	0.535	0.339	0.181	1.581	0.117	−0.136	1.207

^aDependent Variable: number of tripsSource: Authors’ field survey.

Table 4. Omnibus test.

Omnibus Test
Likelihood Ratio Chi-Square	df	Sig.
42.662	20	0.002*

Dependent Variable: Number of tripsModel: Gender, Age Category, Level of Education, monthly income, household size, vehicle ownership, Trip purposesNB: *Indicates significance at 0.05Source: Authors’ field survey.

Table 5. Parameter estimates.

Parameter Estimates
Parameter	B	Sig.	Odds Ratio
Gender (Male)	0.875	0.042*	2.40
Age Category (16–21 years)	−2.236	0.008*	0.11
Age Category (22–24 years)	−1.502	0.054	0.22
Level of Education (Undergraduate)	−0.407	0.570	0.67
Monthly income (50–200 Ghana cedis)	0.335	0.673	1.40
Monthly income (201–400 Ghana cedis)	1.047	0.240	2.85
Monthly income (401–600 Ghana cedis)	1.057	0.245	2.88
Monthly income (601–800 Ghana cedis)	0.403	0.718	1.5
Monthly income (801–1000 Ghana cedis)	1.313	0.192	3.72
Household size (1 in a room)	−2.432	0.002*	0.09
Household size (2 in a room)	−0.623	0.197	0.54
Household size (3 in a room)	−0.360	0.512	0.70
Vehicle ownership (No)	0.079	0.928	1.08
Trip purposes (Lectures (morning and afternoon) and other activities	3.098	0.011*	22.14
Trip purposes (Lectures (morning, afternoon and evening) and other activities	2.369	0.051	10.69
Trip purposes (Lectures (afternoon and evening) and other activities	27.375	0.999	7.74325E + 11
Trip purposes (Lectures(morning) and other activities	2.681	0.035*	14.6
Trip purposes (weekend activities)	2.407	0.277	11.10
Trip purposes (Lectures (morning and evening)	6.340	0.001*	567.01
Trip purposes (other activities)	1.857	0.135	6.41

Dependent Variable: Number of tripsModel: Gender, Age Category, Level of Education, monthly income, household size, vehicle ownership, Trip purposesNB: *Indicates significance at .05Source: Authors’ field survey

Data availability statement

The data would be made available upon reasonable request.